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.

Example Input: Sentence 1: He saw the smoke filling the air. Sentence 2: The fire had blown smoke into the air.
Example Output: no

Example Input: Sentence 1: Although your journey is going to be difficult and at times you will doubt yourselves, the benefits to clients are well worth it and the satisfaction of hearing even the most recalcitrant of adversaries say that the new system is better than the one that went before is deeply rewarding. Sentence 2: Your journey is going to be difficult and complex and by Friday afternoon you'll hate yourself; its's not worth it.
Example Output: yes

Example Input: Sentence 1: you know you don't feel it so strapped Sentence 2: You feel more comfortable.
Example Output:
yes