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: Cost difference between the service cost of pensions (and other retirement benefits), less the employee contributions, if any, and the employer entity contributions. Sentence 2: The cost difference is the result of the service cost of pensions minus the employee contributions and the employer entity contributions.
yes