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: thai cottage restaurant, is cheap.
Original Reference: thai cottage restaurant is cheap.
Example Output: 1

Example Input: System Reference: can i double check you want a hotel that has internet?
Original Reference: i am sorry, do you mind if the hotel has internet or not?.
Example Output: 0

Example Input: System Reference: can i please double check you want a hotel near the haight area?
Original Reference: did you say you are looking for a hotel close to haight.
Example Output:
0