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: x is a japanese restaurant that provides chinese takeaway near x and x.
Original Reference: x is a restaurant near x and x which has japanese food and chinese takeaway food.

Ex Output:
1


Ex Input:
System Reference: fifth floor, is near the financial district or union square.
Original Reference: fifth floor is near financial district or union square.

Ex Output:

1