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 part of town do you want to dine in?.

Ex Output:
0


Ex Input:
System Reference: there is a chinese restaurant called beijing restaurant.
Original Reference: beijing restaurant serves chinese food.

Ex Output:
1


Ex Input:
System Reference: espetus churrascaria, is in the are of hayes valley.
Original Reference: the restaurant espetus churrascaria is in hayes valley.

Ex Output:

0