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: As previously noted, LSC reissued its CSR instructions to all grantees, calling attention to problem areas known at that time. Sentence 2: LSC never reissued CSR instructions.
Example Output: yes

Example Input: Sentence 1: They appeal to patriotism and then to anarchism. Sentence 2: They are patriotic.
Example Output: yes

Example Input: Sentence 1: Once a unit opts into the trading programs, the unit will remain an affected unit. Sentence 2: When a unit opts into the trading programs, they are unaffected.
Example Output:
yes