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: in what area are you looking for?.

Ex Output:
0


Ex Input:
System Reference: i am sorry. i did not find any expensive restaurants in outer richmond.
Original Reference: there are no restaurant -s in the outer richmond area in the expensive price range.

Ex Output:
0


Ex Input:
System Reference: there are 0 restaurants that allow kids, and serve basque.
Original Reference: there are 0 basque restaurant -s that allow kid -s.

Ex Output:

1