You will be given a definition of a task first, then some input of the task.
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.

System Reference: unfortunately 0 restaurants serve afghan for lunch.
Original Reference: there are 0 restaurant -s that serve afghan food and are good for lunch.
Output:
1