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: what area are you looking for?
Original Reference: where would you like to look?.

Ex 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: the mandarin oriental c san francisco is near financial district and allows dogs.
Original Reference: one hotel which does allow dogs in the financial district is the mandarin oriental c san francisco.

Ex Output:

0