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: may i ask which area?.

A: 0
****
Q: System Reference: the name of the restaurant is luella.
Original Reference: yes, the luella is a nice restaurant.

A: 1
****
Q: System Reference: the address for the seal rock inn is 545 point lobos ave and the postcode is 94121.
Original Reference: the address of the seal rock inn is 545 point lobos ave and the postcode of the seal rock inn is 94121.

A:
0
****