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: there is a hotel called in the seal rock inn and in the area of outer richmond.
Original Reference: the seal rock inn is in outer richmond.

Ex Output:
0


Ex Input:
System Reference: x is a restaurant in the cheap on the riverside area near x.
Original Reference: x is a cheap restaurant in the riverside area near x.

Ex Output:
0


Ex Input:
System Reference: chow 's address is 215 church street, and its phone number is 4155522469.
Original Reference: chows is located at 215 church street and the phone number is 4155522469.

Ex Output:

1