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: Each of the companies visited used this as an indicator of the product's readiness for production and emphasized the importance of having critical manufacturing processes under control by the start of production. Sentence 2: Most of these companies had to learn this the hard way from previous production breakdowns.
no

Sentence 1: At the end of three days if there's nothing well, you'll know I'm down and out. Sentence 2: I am depending on something to happen before the end of three days to help me. 
no

Sentence 1: The empire in the west finally collapsed in 476. Sentence 2: The western empire lasted all the way until 476.

yes