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: what area do you want to search for a hotel?.
Example Output: 0

Example Input: System Reference: there are 182 hotels if you do not care where it is near to.
Original Reference: i found 182 hotel -s if the location is not an issue.
Example Output: 0

Example Input: System Reference: what area are you looking for?
Original Reference: what area you looking for?.
Example Output:
0