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: unfortunately 0 restaurants serve cambodian are expensive.
Original Reference: there are no expensive restaurant -s in that price range that serve cambodian food.

Ex Output:
0


Ex Input:
System Reference: additionally the pickwick hotel and in noma does not allow dogs.
Original Reference: the pickwick hotel in the noma area does not allow dogs.

Ex Output:
0


Ex Input:
System Reference: what price range are you comfortable with?
Original Reference: can i help you find he price range?.

Ex Output:

1