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: the hotel des arts is in the moderate price range.
Original Reference: the hotel des arts is in the moderate price range.
Example Output: 0

Example Input: System Reference: unfortunately 0 restaurants serve afghan for lunch.
Original Reference: there are 0 restaurant -s that are good for lunch and serve afghan food.
Example Output: 1

Example Input: System Reference: beijing restaurant 's address is 1801 alemany blvd.
Original Reference: beijing restaurant is located on 1801 alemany blvd.
Example Output:
1