TASK DEFINITION: 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.
PROBLEM: System Reference: x is a restaurant near x in the moderate price range on the riverside.
Original Reference: x is a restaurant on the riverside near x and their prices are moderate.

SOLUTION: 0

PROBLEM: 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.

SOLUTION: 1

PROBLEM: System Reference: mangia tutti ristorante 's address is 635 clay street.
Original Reference: the address for the mangia tutti ristorante is 635 clay street.

SOLUTION:
1