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.

Example Input: System Reference: x is a restaurant in x and x.
Original Reference: x is a restaurant near x and x.
Example Output: 1

Example 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.
Example Output: 0

Example Input: System Reference: red door cafe 's address is 1608 bush street.
Original Reference: the address for the red door cafe is 1608 bush street.
Example Output:
1