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: betelnut is expensively priced in the cow hollow area and does not allow kids.
Original Reference: betelnut is an expensive restaurant that does not allow kid -s in the cow hollow area.

Ex Output:
0


Ex Input:
System Reference: may i ask near where?
Original Reference: where would you like it to be located?.

Ex Output:
0


Ex Input:
System Reference: x is a restaurant.
Original Reference: x is a restaurant in the x postcode.

Ex Output:
1