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: may i help you further?
Original Reference: what do you mean.

Ex Output:
1


Ex Input:
System Reference: there are 54 cheap restaurants where kids are allowed.
Original Reference: there are 54 restaurant -s that are cheap and allow child -s.

Ex Output:
1


Ex Input:
System Reference: no place other than bund shanghai restaurant that serves shanghainese food.
Original Reference: i am sorry but there is no place other than bund shanghai restaurant that serves shanghainese food.

Ex Output:

0