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: what area are you looking for?
Original Reference: may i ask which area?.

Ex Output:
0


Ex Input:
System Reference: thep phanom thai restaurant, is at 400 waller street, phone number is 4154312526, and the postcode is 94117.
Original Reference: of course. thep phanom thai restaurant is located at 400 waller street. the phone number is 4154312526. zip code 94117.

Ex Output:
1


Ex Input:
System Reference: i'm no venues in the x area near x.
Original Reference: i am sorry, but i know of no venues near x in the x area. .

Ex Output:
0