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: what price range are you comfortable with?
Original Reference: may i ask what price range?.

SOLUTION: 1

PROBLEM: System Reference: there are 4 expensive restaurants where kids are allowed.
Original Reference: there are 4 expensive restaurant -s that allow kid -s.

SOLUTION: 1

PROBLEM: System Reference: i regret that there are no restaurants near the bayview heights.
Original Reference: there are no restaurant -s in bayview heights point that allows child -s.

SOLUTION:
1