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: what area were you looking for?.

Ex Output:
0


Ex Input:
System Reference: crustacean restaurant, is good for dinner.
Original Reference: crustacean restaurant is also good for dinner.

Ex Output:
1


Ex Input:
System Reference: eiji, is a nice restaurant in the mastro area that allows children, and is good for dinner.
Original Reference: eiji is in the mastro area, does not allow kid -s, and is good for dinner.

Ex Output:

1