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: right that's right that's right it's pretty good but we take her to just about Sentence 2: That's terrible and not good; not good at all.
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: oh okay yeah golly i've got up up at work anyway i use uh WordPerfect and Lotus and Sentence 2: I'm proficient at WordPerfect and Lotus.
Example Output:
no