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: Questions about durables holdings--cars, housing, and personal computers. Sentence 2: They had not prepared any questions.
Example Output: yes

Example Input: Sentence 1: The crowds thinned and the tent city rose around them, mostly empty at this time in the morning. Sentence 2: It was really busy that morning.
Example Output: yes

Example Input: Sentence 1: If, however, we scoped the job to examine in depth events leading up to the disaster, what went wrong, and why it went wrong, this would be a case study. Sentence 2: You could call this a case study if the job's scope included examining events, that led up to the disaster, in great detail.
Example Output:
yes