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.

Example Input: System Reference: i regret that there are no restaurants near the bayview heights.
Original Reference: i could not find any restaurant -s in bayview heights.
Example Output: 1

Example Input: System Reference: x is a restaurant in x on and to x.
Original Reference: x is a restaurant in x and x, near x. .
Example Output: 0

Example Input: System Reference: i am sorry but there are no hotels in the mastro area that match those requirements allows dogs.
Original Reference: we have no matching hotel in the mastro area that allows dogs.
Example Output:
0