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: The volume of letters sent by households or household originated mail can be obtained from Table 1 by adding the volumes of HH-to-HH and HH-to-NHH mail. Sentence 2: These calculations do not show the volume of household letters. 
Example Output: yes

Example Input: Sentence 1: and um having people but you know our like in our church it it is you're free to do that or not you're encouraged to do it because um you know it it helps you and Sentence 2: Our church is really progressive and quite welcoming of new ideas.
Example Output: no

Example Input: Sentence 1: This notion argues that the postal service should charge competitors the same amount to use the delivery system that the postal service charges itself. Sentence 2: This argument says that when using the delivery system, the postal service should charge itself half of what it charges its competitors. 
Example Output:
yes