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: 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.

Ex Output:
0


Ex Input:
System Reference: can i double check you want a hotel that has internet?
Original Reference: do you want something that has an internet?.

Ex Output:
0


Ex Input:
System Reference: aperto restaurant, is near potrero hill, is moderate range and allows children.
Original Reference: the aperto restaurant is moderate -ly priced, is near potrero hill, and allows kid -s.

Ex Output:

1