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: x is a restaurant in the city centre.
Original Reference: x is a restaurant in the city centre.
Example Output: 1

Example Input: System Reference: there are 239 restaurants available serving any meal.
Original Reference: there are 239 restaurant -s that serve all meal -s.
Example Output: 1

Example Input: System Reference: i am sorry but there is no information about a venue in x near x.
Original Reference: i am sorry there is no information about a venue in the x area near x.
Example Output:
1