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: the hotel des arts is in the moderate price range.
Original Reference: the hotel des arts is in the moderate price range.

Ex Output:
0


Ex Input:
System Reference: may i help you further?
Original Reference: do you need any more assistance?.

Ex Output:
1


Ex Input:
System Reference: x is an expensive restaurant, in the riverside area near x.
Original Reference: x is a restaurant on the riverside near x in the expensive price range.

Ex Output:

1