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.

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

Ex Output:
1

Ex Input:
System Reference: chez maman, is in the are of hayes valley or victoria mews.
Original Reference: chez maman is in the area of hayes valley or victoria mews.

Ex Output:
0

Ex Input:
System Reference: may i ask near where?
Original Reference: are you looking for a hotel near a certain area?.

Ex Output:
0