You are given an original reference as well as a system generated reference. Your task is to judge the naturaleness of the system generated reference. If the utterance could have been produced by a native speaker output 1, else output 0.

Ex Input:
System Reference: there is a hotel called in the buena vista motor inn and in the area of fort mason.
Original Reference: buena vista motor inn is in fort mason.

Ex Output:
0


Ex Input:
System Reference: no place other than bund shanghai restaurant that serves shanghainese food.
Original Reference: the only place i found is bund shanghai restaurant, it serves shanghainese.

Ex Output:
0


Ex Input:
System Reference: lucky creation restaurant serves vegetarian food at a cheap price range.
Original Reference: lucky creation restaurant has vegetarian food for cheap price -s.

Ex Output:

1