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: may i help you further?
Original Reference: what do you mean.

Ex Output:
1


Ex Input:
System Reference: just marnee thai and thanh long near outer sunset that serves dinner in the moderate price range.
Original Reference: marnee thai and thanh long are the only 2 moderate -ly priced restaurant -s near outer sunset that are good for dinner.

Ex Output:
0


Ex Input:
System Reference: he mandarin oriental c san francisco is located near financial district.
Original Reference: we recommend the mandarin oriental c san francisco. it is near the financial district.

Ex Output:

0