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: 'It's like a giant sauna. Sentence 2: It shared no similarities with a sauna.
Example Output: yes

Example Input: Sentence 1: Or had he found something he wished to keep to himself?  Sentence 2: Or did he want to keep what he found to himself. 
Example Output: yes

Example Input: Sentence 1: We cannot lose sight of the fact that in a risk-taking environment businesses do fail. Sentence 2: Risks in business are bad 
Example Output:
no