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: zero restaurants in the bernal heights area in the expensive price range.
Original Reference: there are 0 restaurant -s in the bernal heights area in the expensive price range.

Ex Output:
1


Ex Input:
System Reference: there are 239 restaurants in any price range.
Original Reference: there are 239 restaurant -s if you do not care the price.

Ex Output:
1


Ex Input:
System Reference: x is a restaurant in the riverside area.
Original Reference: x is a restaurant in the riverside area.

Ex Output:

1