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: when was that on Sentence 2: When did it come on?
Example Output: yes

Example Input: Sentence 1: While foreign-brand alcohol, produced under licence in Spain, sells for just a few hundred pesetas a bottle, there are more unusual local spirits that might make apt souvenirs of Ibiza. Sentence 2: Alcohol is illegal in Ibiza and not allowed to be sold or made.
Example Output: yes

Example Input: Sentence 1: The 1990s in particular have been a funereal decade, interring many of the hopes and fantasies of the earlier twentieth century, Davis intones. Sentence 2: Davis thinks the 90s were the worst decade to live through.
Example Output:
no