diff --git a/lib/relay/app.relay.js b/lib/relay/app.relay.js
new file mode 100644
index 0000000..e3d8963
--- /dev/null
+++ b/lib/relay/app.relay.js
@@ -0,0 +1,15 @@
+import 'babel-polyfill';
+
+import App from './components/App';
+import AppHomeRoute from './routes/AppHomeRoute';
+import React from 'react';
+import ReactDOM from 'react-dom';
+import Relay from 'react-relay';
+
+ReactDOM.render(
+  <Relay.RootContainer
+    Component={App}
+    route={new AppHomeRoute()}
+  />,
+  document.getElementById('root')
+);
diff --git a/lib/relay/components/App.js b/lib/relay/components/App.js
new file mode 100644
index 0000000..c56199d
--- /dev/null
+++ b/lib/relay/components/App.js
@@ -0,0 +1,34 @@
+import React from 'react';
+import Relay from 'react-relay';
+
+import DB from './../../config/database'
+
+class App extends React.Component {
+  render() {
+    var viewer = this.props.viewer,
+      house = viewer.house.edge.node;
+    return (
+      <div>
+        <h1>Hi, {viewer.username}</h1>
+        <p>You are living in the {house.name} house!!!!</p>
+      </div>
+    );
+  }
+}
+
+export default Relay.createContainer(App, {
+  fragments: {
+    viewer: () => Relay.QL`
+      fragment on ${DB.User.name} {
+        username
+        house {
+          edge {
+            node {
+              name
+            }
+          }
+        }
+      }
+    `,
+  },
+});
diff --git a/relay/routes/AppHomeRoute.js b/lib/relay/routes/AppHomeRoute.js
similarity index 100%
rename from relay/routes/AppHomeRoute.js
rename to lib/relay/routes/AppHomeRoute.js
diff --git a/models/house.js b/models/house.js
index 2ef5672..962fbfc 100644
--- a/models/house.js
+++ b/models/house.js
@@ -37,42 +37,52 @@ var House = DB.sequelize.define(NAME, {
   },
   classMethods: {
     set: ()=>{
+
+    },
+    associate: ()=>{
       House.hasMany(DB.PowerDatum, {as: 'PowerData'});
       House.hasMany(DB.User, {as: 'Habitants'});
+    },
+    defineGraphQLType: ()=>{
       House.graphql_type = new GraphQLObjectType({
         name: NAME,
         description: 'A house',
-        fields: () => ({
-          id: globalIdField(NAME),
-          name: {
-            type: new GraphQLNonNull(GraphQLString)
-          },
-          power_data: {
-            type: connectionDefinitions({name: DB.PowerDatum.name, nodeType: DB.PowerDatum.graphql_type}).connectionType,
-            description: "Returns house's power data.",
-            args: connectionArgs,
-            resolve: (house, args) => {
-              return house.getPowerDataByTime(args);
+        fields: () => {
+          var {connectionType: power_data_connection} = connectionDefinitions({name: DB.PowerDatum.name, nodeType: DB.PowerDatum.graphql_type}),
+            {connectionType: habitants_connection} = connectionDefinitions({name: DB.User.name, nodeType: DB.User.graphql_type});
+
+          return {
+            id: globalIdField(NAME),
+            name: {
+              type: new GraphQLNonNull(GraphQLString)
+            },
+            power_data: {
+              type: power_data_connection,
+              description: "Returns house's power data.",
+              args: connectionArgs,
+              resolve: (house, args) => {
+                return house.getPowerDataByTime(args);
+              }
+            },
+            habitants: {
+              type: habitants_connection,
+              description: "Returns list of house's habitants.",
+              args: connectionArgs,
+              resolve: (house, args) => {
+                var params = extend({
+                  order: 'name ASC',
+                  limit: 50,
+                  offset: 0,
+                }, args);
+                delete params.where; // don't allow any additional query params.
+                return house.getHabitants(params);
+              }
             }
-          },
-          habitants: {
-            type: connectionDefinitions({name: DB.User.name, nodeType: DB.User.graphql_type}).connectionType,
-            description: "Returns list of house's habitants.",
-            args: connectionArgs,
-            resolve: (house, args) => {
-              var params = extend({
-                order: 'name ASC',
-                limit: 50,
-                offset: 0,
-              }, args);
-              delete params.where; // don't allow any additional query params.
-              return house.getHabitants(params);
-            }
-          }
-        }),
+          };
+        },
         interfaces: [nodeInterface]
       });
-    },
+    }
     getPowerDataByTime: (start_date, end_date, page)=>{
       var params = extend({
         order: 'time ASC',
diff --git a/models/power_datum.js b/models/power_datum.js
index 82293a9..edf11e4 100644
--- a/models/power_datum.js
+++ b/models/power_datum.js
@@ -34,7 +34,13 @@ var PowerDatum = DB.sequelize.define(NAME, {
   },
   classMethods: {
     set: ()=>{
+      PowerDatum.associate();
+      PowerDatum.defineGraphQLType();
+    },
+    associate: ()=>{
       PowerDatum.belongsTo(DB.House);
+    },
+    defineGraphQLType: ()=>{
       PowerDatum.graphql_type = new GraphQLObjectType({
         name: NAME,
         description: 'A person who uses our app',
diff --git a/models/user.js b/models/user.js
index f025e1f..b758ec3 100644
--- a/models/user.js
+++ b/models/user.js
@@ -38,25 +38,32 @@ var User = DB.sequelize.define(NAME, {
   },
   classMethods: {
     set: ()=>{
+      User.associate();
+      User.defineGraqhQLType()
+    },
+    associate: ()=>{
       User.belongsTo(DB.House);
+    },
+    defineGraqhQLType: ()=>{
       User.graphql_type = new GraphQLObjectType({
         name: NAME,
         description: 'A house',
-        fields: () => ({
-          id: globalIdField(NAME),
-          username: {
-            type: new GraphQLNonNull(GraphQLString)
-          },
-          house: {
-            type: connectionDefinitions({name: DB.House.name, nodeType: DB.House.graphql_type}).connectionType,
-            description: "Returns user's house.",
-            args: connectionArgs,
-            ref: DB.PowerDatum.name,
-            resolve: (user, args) => {
-              return user.getHouse();
+        fields: () => {
+          var {connectionType: house_connection} = connectionDefinitions({name: DB.House.name, nodeType: DB.House.graphql_type});
+          return {
+            id: globalIdField(NAME),
+            username: {
+              type: new GraphQLNonNull(GraphQLString)
+            },
+            house: {
+              type: house_connection,
+              description: "Returns user's house.",
+              resolve: (user, args) => {
+                return user.getHouse();
+              }
             }
-          }
-        }),
+          };
+        },
         interfaces: [nodeInterface]
       });
     }
diff --git a/relay/components/App.js b/relay/components/App.js
deleted file mode 100644
index 4492632..0000000
--- a/relay/components/App.js
+++ /dev/null
@@ -1,34 +0,0 @@
-import React from 'react';
-import Relay from 'react-relay';
-
-class App extends React.Component {
-  render() {
-    return (
-      <div>
-        <h1>Widget list</h1>
-        <ul>
-          {this.props.viewer.widgets.edges.map(edge =>
-            <li key={edge.node.id}>{edge.node.name} (ID: {edge.node.id})</li>
-          )}
-        </ul>
-      </div>
-    );
-  }
-}
-
-export default Relay.createContainer(App, {
-  fragments: {
-    viewer: () => Relay.QL`
-      fragment on User {
-        widgets(first: 10) {
-          edges {
-            node {
-              id,
-              name,
-            },
-          },
-        },
-      }
-    `,
-  },
-});