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.

[EX Q]: System Reference: what area would you like the restaurant to be in?
Original Reference: around which area are you looking?.
[EX A]: 1

[EX Q]: System Reference: zero restaurants in the bernal heights area in the expensive price range.
Original Reference: there are no expensive restaurant -s in bernal heights.
[EX A]: 1

[EX Q]: System Reference: x is a restaurant in the centre of town and riverside area near x.
Original Reference: x is a restaurant in the city centre, near the riverside and x .
[EX A]:
1