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: may i ask near where?
Original Reference: for what place would you like to find nearby hotel -s?.

SOLUTION: 0

PROBLEM: System Reference: i am sorry. i did not find any expensive restaurants in outer richmond.
Original Reference: there are no restaurant -s in the outer richmond area in the expensive price range.

SOLUTION: 0

PROBLEM: System Reference: there is a lebanese restaurant called arabian nights restaurant.
Original Reference: arabian nights restaurant serves lebanese food.

SOLUTION:
1