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: may i help you further?
Original Reference: what do you mean.

Ex Output:
1


Ex Input:
System Reference: what type of food would you like to eat?
Original Reference: can i confirm you are requesting food place -s?.

Ex Output:
1


Ex Input:
System Reference: there are 239 restaurants in any price range.
Original Reference: 239 is a good restaurant if you do not care about the price range.

Ex Output:

1