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: sanjalisco, is near the mission.
Original Reference: sanjalisco is near mission.

Ex Output:
1


Ex Input:
System Reference: lucky creation restaurant, is cheap.
Original Reference: lucky creation restaurant has a cheap price.

Ex Output:

1