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 area are you looking for?
Original Reference: may i ask which area?.

Ex Output:
0

Ex Input:
System Reference: there is a hotel called in the san remo hotel and in the area of north beach.
Original Reference: sure there is a hotel in the north beach area called the san remo hotel that has internet access.

Ex Output:
0

Ex Input:
System Reference: there are 3 places that serve american food near mission bay.
Original Reference: there are 3 place -s near to mission bay.

Ex Output:
1