You are given an original reference as well as a system reference. Your task is to judge the informativeness of the system reference. If the utterance provides all the useful information from the meaning representation output 1, else output 0.

[EX Q]: System Reference: source, is in the are of hayes valley or showplace square.
Original Reference: source is easily found in the hayes valley or showplace square area.
[EX A]: 1

[EX Q]: System Reference: x is a restaurant in the cheap on the riverside area near x.
Original Reference: x is a cheap restaurant in the riverside area near x.
[EX A]: 1

[EX Q]: System Reference: there are 239 restaurants in any price range.
Original Reference: there are 239 restaurant -s available if you do not care about price range.
[EX A]:
1