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.

System Reference: what area would you like the restaurant to be in?
Original Reference: what area would you like me to search in for a restaurant?.
1

System Reference: x is a restaurant in x if you are seeking something expensive.
Original Reference: x is an expensive restaurant in x.
1

System Reference: may i help you further?
Original Reference: what can i help you with?.
1