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: Pre-McGrath, it was even forbidden to review a book published by one's own publishing company. Sentence 2: McGrath was the one to allow publishers to review their own books.
A:
no