<div class="group" ng-repeat="group in Groups">
<table>
    <tr>
        <td>{{group.Description}}</td>
        <td><input type="radio" value="1" name="{{group.Id}}" ng-model="group.SatisfactionLevel" /></td>
        <td><input type="radio" value="1" name="{{group.Id}}" ng-model="group.SatisfactionLevel" /></td>
    </tr>
</table>
<div class="group-detail" ng-class="{'hidden': group.SatisfactionLevel != 1}">
    <table>
        <tr ng-repeat="item in group.Details">
            <td>{{item.Description}}</td>
            <td><input type="radio" value="1" name="{{item.Id}}" ng-model="item.SatisfactionLevel" /></td>
            <td><input type="radio" value="1" name="{{item.Id}}" ng-model="item.SatisfactionLevel" /></td>
        </tr>
    </table>
</div>

"Groups": [
        {
            "Id":"AA",
            "Description":"Service",
            "SatisfactionLevel":1,
            "Details":[{"Id":"AA1","Description":"Cleanliness","SatisfactionLevel":1},
                       {"Id":"AA2","Description":"Timeliness","SatisfactionLevel":1}
                      ]
        },
        {
            "Id":"AB",
            "Description":"Food",
            "SatisfactionLevel":1,
            "Details":[{"Id":"AB1","Description":"Price","SatisfactionLevel":1},
                       {"Id":"AB2","Description":"Portion","SatisfactionLevel":1}
                      ]
        }
      ]