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: skool, is expensively prices and does not allow children.
Original Reference: skool is in the expensive price range and it does not allow child -s.

Output: 1


Input: Consider Input: System Reference: x is a restaurant near x.
Original Reference: x is a restaurant near the x.

Output: 1


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