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.

Input: Consider 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.

Output: 0


Input: Consider Input: System Reference: what area are you looking for?
Original Reference: this is the hotel information system. you can ask for hotel -s by price range, whether they accepts card -s or have internet.

Output: 0


Input: Consider Input: System Reference: restaurant ducroix does not allow kids, their address is 690 sacramento street, their phone number is 4153917195, and their is 94111.
Original Reference: restaurant ducroix does not allow child -s, its address is 690 sacramento street, its phone number is 4153917195, and its postcode is 94111.
Output: 0