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

Ex Output:
1


Ex Input:
System Reference: what area are you looking for?
Original Reference: what area you looking for?.

Ex Output:
0


Ex Input:
System Reference: there are no children allowed at canto do brasil restaurant.
Original Reference: canto do brasil restaurant does not allow child -s.

Ex Output:

1