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: i regret that there are no restaurants near the potrero hill.
Original Reference: there are no restaurant -s in the potrero hill area.

Ex Output:
1


Ex Input:
System Reference: specchio ristorante, is expensively prices and does not allow children.
Original Reference: specchio ristorante does not allow kid -s and it is expensive.

Ex Output:
0


Ex Input:
System Reference: there is sorry no information matching constraints near x.
Original Reference: i am sorry there is no information about a venue in the city centre near x.

Ex Output:

0