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: the name of the restaurant is arabian nights restaurant.
Original Reference: the restaurant is called arabian nights restaurant.
[EX A]: 1

[EX Q]: System Reference: what area are you looking for a hotel in?
Original Reference: okay what area are you planning on visiting?.
[EX A]: 0

[EX Q]: System Reference: x is a restaurant in the x area.
Original Reference: x is a restaurant in x.
[EX A]:
0