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.

Example Input: System Reference: what area are you looking for?
Original Reference: please specify your area of interest.
Example Output: 0

Example Input: System Reference: we have 3 restaurants listed in the pacific heights area.
Original Reference: there are 3 restaurant -s in teh pacific heights area.
Example Output: 1

Example Input: System Reference: x is a restaurant located at x.
Original Reference: x is a restaurant located at x.
Example Output:
1