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: 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 east of the island has most of the estimated ten million olive trees which produce the island's major crop. Sentence 2: There are an estimated ten million olive trees located on the island.
Example Output: yes

Example Input: Sentence 1: And yet, in its near perfect symmetry, the cone of Mt. Sentence 2: The cone is totally lacking in symmetry.
Example Output:
yes