Instructions: 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.
Input: Sentence 1: Joyce himself must have known the house as the residence of Mr. Denis J. Maginni, professor of dancing, who appears several times in Ulysses. Sentence 2: Denis J. Maginni never appears in Ulysses.
Output:
yes