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: you want a hotel in the cathedral hill?
Original Reference: just to make sure you are looking for something in the cathedral hill area?.

Ex Output:
0


Ex Input:
System Reference: what area are you looking for?
Original Reference: what part of town do you want to dine in?.

Ex Output:
0


Ex Input:
System Reference: what area are you looking for?
Original Reference: in what area would you want to know?.

Ex Output:

0