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.

Input: Consider Input: System Reference: zero restaurants in the bernal heights area in the expensive price range.
Original Reference: there are no expensive restaurant -s in bernal heights.

Output: 1


Input: Consider Input: System Reference: the phone number for shangri la vegetarian restaurant is 4157312548.
Original Reference: the phone number for shangri la vegetarian restaurant is 4157312548.

Output: 1


Input: Consider Input: System Reference: what price range are you comfortable with?
Original Reference: would you like restaurant -s in a particular price range?.


Output: 1