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: this is the hotel information system. you can ask for hotel -s by price range, whether they accepts card -s or have internet.

Ex Output:
0


Ex Input:
System Reference: x is a restaurant that serves italian food takeaway it is located near x.
Original Reference: x is an italian restaurant that provides takeaway pizza near x.

Ex Output:
1


Ex Input:
System Reference: x is an indian restaurant in the x area.
Original Reference: i recommend x, an indian restaurant that can be found in x .

Ex Output:
1