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: i am sorry but there are no hotels in the area of north waterfront.
Original Reference: i am sorry but there are not hotel -s in the area of north waterfront.

Ex 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: the postcode for skool is 94103.
Original Reference: skool 's postcode is 94103.

Ex Output:
0