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: Try to get there early, as tours sell out quickly on busy days. Sentence 2: You should get there early in the morning as tours sell out quickly.  
Example Output: yes

Example Input: Sentence 1: reports that the grassroots relief effort could strengthen Turkish democracy. Sentence 2: Some are saying that a grassroots relief effort could fortify Turkey's democracy.
Example Output: yes

Example Input: Sentence 1: Prefabrication of absorber modules can reduce the overall construction schedule. Sentence 2: Prefabricated absorber modules are more expensive.
Example Output:
no