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.

Q: System Reference: what area are you looking for?
Original Reference: would you like to search in a more specific area?.

A: 0
****
Q: System Reference: the intercontinental san francisco is in the pricey price range.
Original Reference: okay well the intercontinental san francisco is very pricey.

A: 0
****
Q: System Reference: i regret that there are no restaurants near the martin luther king square.
Original Reference: i regret to inform you that there are no restaurant -s in the area of martin luther king square.

A:
1
****