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: may i ask near where?
Original Reference: does it need to be near anywhere in particular?.

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: no hotel in north beach that does not allow dogs.
Original Reference: there are no hotel -s in the north beach area that allow dogs.

A:
0
****