/**
  * Store a newly created resource in storage.
  *
  * @param  \Illuminate\Http\Request  $request
  * @return \Illuminate\Http\Response
  */
 public function store(Request $request)
 {
     $sheet = new Sheet($request->all());
     $sheet->save();
     foreach ($sheet->quest->questions as $question) {
         $answer = $sheet->answers()->create(['question_id' => $question->id]);
     }
     return Redirect::route('users.sheets', $request->user_id);
 }