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.

[EX Q]: Sentence 1: Lummox was his first brill, a gift from Ca'daan, and he didn't want to lose her. Sentence 2: Ca'daan gave him Lummox.
[EX A]: yes

[EX Q]: Sentence 1: yeah there's a lot of people don't know about it it's put out by Commodore they made the sixty four but this is a machine that they bought from a company that got started up in California Sentence 2: Those machines are very costly.
[EX A]: yes

[EX Q]: Sentence 1: On these issues, Conley raises difficult, important questions. Sentence 2: Conley is too timid to ask difficult questions.
[EX A]:
yes