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: There are many conditions that are not visible. Sentence 2: There are many hidden conditions.

A: yes
****
Q: Sentence 1:  The old man sighed, his face slumping into lines of fatigue and age. Sentence 2: The man was tired from his old age.

A: yes
****
Q: Sentence 1: oh really oh how exciting  that could it's always Sentence 2: That's interesting. 

A:
yes
****