Given the task definition and input, reply with output. 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.

Sentence 1: At 4pm the monks can be observed at prayer, blowing the groaning horns and banging drums and cymbals in a red and gold chapel. Sentence 2: The monks pray at 6 pm on Sundays in total silence.
yes