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: what area are you looking for?
Original Reference: what area are you looking for a hotel?.
Example Output: 0

Example Input: System Reference: there are 4 restaurants that are expensive and allow children good for any meal.
Original Reference: there are 4 expensive restaurant -s that allows child -s if you do not mind what meal they serve.
Example Output:
0