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: Or had he found something he wished to keep to himself? Sentence 2: Or did he want to keep what he found to himself.
Example Output: yes

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: ACTUARIAL LIABILITY - A liability based on statistical calculations and actuarial assumptions (actuarial assumptions are conditions used to resolve uncertainties in the absence of information concerning future events affecting insurance, pension expenses, etc.). Sentence 2: A liability based on statistical calculations and actuarial assumptions is called Actuarial Liability.
Example Output:
yes