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.

Q: Sentence 1: I believe I've only seen your hand shake once. Sentence 2: There is only one time I have seen your hand shake.

A: yes
****
Q: Sentence 1: While a cost-per-case analysis is limited in that it only addresses quantity, and not quality of services, it does provide some useful quantitative information. Sentence 2: Only quantity is examined, not quality.

A: yes
****
Q: Sentence 1: That, too, seemed empty and deserted. Sentence 2: It had always been empty.  

A:
no
****