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: In 2001, she spent 800 hours of pro bono time and $50,000 of her own money on an appeal based on DNA evidence. Sentence 2: She worked on a case requiring DNA evidence in 2001.
yes