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.

Input: Consider Input: System Reference: what area are you looking for?
Original Reference: what area were you looking for?.

Output: 0


Input: Consider Input: System Reference: x is a cheap restaurant in the expensive price range near x.
Original Reference: x is a restaurant near x in the cheap price range.

Output: 0


Input: Consider Input: System Reference: x is a restaurant in the centre of town on the riverside, near to x.
Original Reference: if you would like to visit a nice restaurant, i would suggest x near x by the riverside, in the centre of the city. .
Output: 1