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.

Sentence 1: They saw Vrenna, her hood pulled low over her head, staring at the back of one of the huge trees. Sentence 2: Vrenna was staring back at one of the huge trees.
yes

Sentence 1: I said right out: 'You're an old woman, Emily, and there's no fool like an old fool.  Sentence 2: I did not like Emily because she was old and foolish.  
no

Sentence 1: Not even the surest magic is reliable. Sentence 2: Magic is almost always unreliable to some degree.

yes