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: the phone number for crustacean restaurant is 4157762722.
Original Reference: the phone number to crustacean restaurant is 4157762722.

Ex Output:
1


Ex Input:
System Reference: there are 239 restaurants in any price range.
Original Reference: there are 239 restaurant -s in all price range -s.

Ex Output:
1


Ex Input:
System Reference: x is an expensive restaurant near x and x.
Original Reference: x is a restaurant near x and x in the expensive price range.

Ex Output:

1