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: For purposes of this exercise, there are at least seven categories of costs and four benefits that might be reviewed. Sentence 2: There are no more than six categories of costs to be reviewed for this exercise.
Example Output: yes

Example Input: Sentence 1: Limestone stoichiometry is the number of moles of Ca added per mole of SO2 removed. Sentence 2:  Limestone stoichiometry is the number of moles of Ca added per mole of SO2 removed.
Example Output: yes

Example Input: Sentence 1: If you want to look like a propaganda organ of Microsoft, about the best thing you could do would be to publish an article about a very hotly contested industry issue, take Microsoft's side, and support your point with misinformation and untruths. Sentence 2: All of the articles about Microsoft are propaganda. 
Example Output:
no