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: do you care what area you stay in?.
Example Output: 0

Example Input: System Reference: the address of source is 11 division street and the phone number is 4158649000.
Original Reference: the address for source is 11 division street and the phone number is 4158649000.
Example Output: 0

Example Input: System Reference: darbar restaurant, is in the hayes valley or lower nob hill call 4153591236.
Original Reference: the darbar restaurant is located in hayes valley or lower nob hill their phone number is 4153591236.
Example Output:
1

