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: there is a spanish restaurant called piperade.
Original Reference: do you want to try piperade, its spanish food.

Output: 1


Input: Consider Input: System Reference: the intercontinental san francisco is in the pricey price range.
Original Reference: sure, the intercontinental san francisco is in the pricey range.

Output: 0


Input: Consider Input: System Reference: unfortunately 0 restaurants serve french for brunch.
Original Reference: there are 0 restaurant -s that serve french food and are good for brunch.
Output: 1