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: butterfly serves vietnamese food at a expensive price range.
Original Reference: butterfly is an expensive vietnamese restaurant.

SOLUTION: 1

PROBLEM: System Reference: are you looking for breakfast brunch lunch or dinner?
Original Reference: what meal would you like to eat?.

SOLUTION: 1

PROBLEM: System Reference: may i ask near where?
Original Reference: what are are you looking for a hotel near?.

SOLUTION:
0