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: there are no restaurants in the expensive price range that are good for breakfast.
Original Reference: unfortunately there are no expensive restaurant -s that are good for breakfast.
Example Output: 1

Example Input: System Reference: bar crudo 's address is 655 divisadero street.
Original Reference: bar crudo is on 655 divisadero street.
Example Output: 1

Example Input: System Reference: the omni san francisco is in the pricey price range.
Original Reference: omni san francisco is pricey.
Example Output:
0