In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to determine if the two sentences clearly agree/disagree with each other, or if this can't be determined. Indicate your answer as yes or no respectively.
Q: Sentence 1: would the loss of volume to cream skimmers have on the resulting prices the Postal Service would have to charge in order to maintain universal service? Sentence 2: The Postal Service doesn't charge.
A:
yes