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: but uh i guess the hardwoods are probably the biggest thing we have are our hard maple and hard oak and and the the evergreens Sentence 2: We also have a green, hard grassland.
Example Output: no

Example Input: Sentence 1: It's true that coverage of Clinton on the campaign trail has been somewhat softer than the coverage of Dole, as even other Times reporters acknowledge. Sentence 2: Some of the shoreline homes have hot tubs and covered porches. 
Example Output: yes

Example Input: Sentence 1: Like never before. Sentence 2: This is like nothing that has been done.
Example Output:
yes