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: where would you like it to be near to?
Original Reference: what area are you looking for?.
Example Output: 0

Example Input: System Reference: x is an italian restaurant in the moderate price range located in the x area.
Original Reference: x is an italian restaurant in the moderate price range in the x area.
Example Output: 1

Example Input: System Reference: there are 3 mexican restaurants that allows kids.
Original Reference: i have found 3 other restaurant -s that serve mexican food and allow kid -s.
Example Output:
1