Edit in JSFiddle

angular.module('app', [])
    .controller('ctrl', [
    '$scope', '$http', function ($scope, $http) {
    $scope.condition = false;
    $scope.answer1 = "true";
    $scope.answer2 = "false";
}]);

<div ng-app="app" ng-controller="ctrl">
    <div>{{ condition && answer1 || answer2 }}</div>
    <div>{{ condition ? answer1 : answer2 }}</div>
</div>