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.

Ex Input:
System Reference: x is a restaurant in the centre of town near x.
Original Reference: x is a restaurant near x in the city centre.

Ex Output:
1


Ex Input:
System Reference: there is a hotel called in the buena vista motor inn and in the area of fort mason.
Original Reference: buena vista motor inn is in fort mason.

Ex Output:
0


Ex Input:
System Reference: there are 4 pizza restaurants.
Original Reference: there are 4 restaurant -s that serve pizza.

Ex Output:

1