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: fresca, in pacific heights serves peruvian food and does not allow children.
Original Reference: there is a nice restaurant named fresca that serves peruvian food near the pacific heights area that does not allow kid -s.

Ex Output:
1


Ex Input:
System Reference: i am sorry. i did not find any expensive restaurants in outer richmond.
Original Reference: there are no restaurant -s in the outer richmond area in the expensive price range.

Ex Output:
0


Ex Input:
System Reference: what area are you looking for?
Original Reference: can you please confirm your request?.

Ex Output:

0