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: sushi bistro 's address is 431 balboa street.
Original Reference: the address of sushi bistro is 431 balboa street.

Ex Output:
1


Ex Input:
System Reference: x is a chinese food restaurant near x and x.
Original Reference: x is a chinese food restaurant near x and x.

Ex Output:
0


Ex Input:
System Reference: bund shanghai restaurant is a nice restaurant.
Original Reference: bund shanghai restaurant is a nice restaurant.

Ex Output:
0