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: may i ask near where?
Original Reference: i did not understand. what part of the city would you like me to search?.

Ex Output:
0


Ex Input:
System Reference: x is a restaurant in x and x.
Original Reference: x is a restaurant near x and x.

Ex Output:
1


Ex Input:
System Reference: additionally the casa melissa and in little italy does not allow dogs.
Original Reference: casa melissa is a hotel in little italy that does not allow dogs.

Ex Output:
0