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

Example Input: Sentence 1: Fun, smart, beautiful, but my girlfriend just won't give me any space. Sentence 2: My girlfriend knows that I feel she isn't giving me enough space.
Example Output: no

Example Input: Sentence 1: Brodkey is not obliged to be a poster boy for AIDS. Sentence 2: It's necessary that Brodkey is the poster boy for AIDS.
Example Output:
yes