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.

Input: Consider 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.

Output: 0


Input: Consider Input: System Reference: i am sorry but there are no hotels in the north beach area that do not allow dogs.
Original Reference: there are no hotel -s in the north beach area that allow dogs.

Output: 0


Input: Consider Input: System Reference: may i ask near where?
Original Reference: can i help you find something near a particular attraction?.
Output: 0