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: what area are you looking for?
Original Reference: which area do you want to search for?.
Example Output: 0

Example Input: System Reference: marlowe, is near the mission bay.
Original Reference: there is a nice restaurant called marlowe which is near mission bay.
Example Output: 1

Example Input: System Reference: da flora a venetian osteria is a cheap restaurant that is good for dinner.
Original Reference: i have found da flora a venetian osteria, where the price range is cheap, and they serve dinner.
Example Output:
0