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 is a spanish restaurant called piperade.
Original Reference: do you want to try piperade, its spanish food.
Example Output: 1

Example Input: System Reference: lucky creation restaurant serves vegetarian food at a cheap price range.
Original Reference: lucky creation restaurant is a good vegetarian restaurant in cheap price range.
Example Output: 1

Example Input: System Reference: x is a chinese restaurant near x and x in x near x.
Original Reference: x is a restaurant near x in the x area that serves chinese food.
Example Output:
0