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: there is a spanish restaurant called piperade.
Original Reference: do you want to try piperade, its spanish food.

SOLUTION: 1

PROBLEM: System Reference: you would like to search financial district?
Original Reference: you are looking near the financial district, right?.

SOLUTION: 0

PROBLEM: System Reference: the name of the restaurant is manna.
Original Reference: manna is a nice restaurant.

SOLUTION:
1