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.

Input: Consider Input: System Reference: may i help you further?
Original Reference: can i help you with something else?.

Output: 1


Input: Consider Input: System Reference: x is a chinese restaurant near the river.
Original Reference: there is a chinese restaurant on the riverside called x.

Output: 1


Input: Consider Input: System Reference: i am sorry but there is no information about a venue in the city centre area near x.
Original Reference: i am sorry but there are no venues near x in the city centre.


Output: 1