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: Jones-Lee and Krupnick may understate the effect of age because they only control for income and do not control for wealth. Sentence 2: Jones-Lee and Krupnick do not understand how age works.
yes