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: Except for the creation of worksharing discounts and Express Mail, the basic product line of the Postal Service was inherited from Congress at the time of Postal reorganization in 1970. Sentence 2: The majority of the Postal Service product line was from Congress.
A:
yes