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: zuni cafe, is expensive.
Original Reference: how about zuni cafe, an expensive one?.
Example Output: 1

Example Input: System Reference: he red victorian bed breakfast and arts cafe is located near haight.
Original Reference: the red victorian bed breakfast and arts cafe doesn not allow dogs and is near haight.
Example Output: 0

Example Input: System Reference: x is a chinese restaurant on the riverside area near x.
Original Reference: x is a chinese restaurant near the river and x.
Example Output:
1