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.

Input: Consider Input: System Reference: unfortunately 0 restaurants serve afghan for lunch.
Original Reference: there are 0 restaurant -s that are good for lunch and serve afghan food.

Output: 1


Input: Consider Input: System Reference: the phone number for crustacean restaurant is 4157762722.
Original Reference: the phone number to crustacean restaurant is 4157762722.

Output: 1


Input: Consider Input: System Reference: the price is 22 euro at chow.
Original Reference: chow 's price is 22 euro.


Output: 0