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.

Q: System Reference: what area are you looking for?
Original Reference: what area would you like to stay?.

A: 0
****
Q: 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.

A: 0
****
Q: System Reference: thank you the fairmont san francisco allows dogs.
Original Reference: hotel the fairmont san francisco allows dogs.

A:
0
****