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: Newfoundland and Portuguese water dog owners want pooches that can swim. Sentence 2:  Newfoundland and Portuguese water dog owners spend a lot of time at the beach.
Example Output: no

Example Input: Sentence 1: so what are the most important benefits to you Sentence 2: What is the best benefit? 
Example Output: no

Example Input: Sentence 1: Undoubtedly my timing will be questioned. Sentence 2: My timing was perfect.
Example Output:
yes