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: Social Security is a Ponzi scheme, but it's even It's a national DISsavings plan--and it is robbery. Sentence 2: Social Security is a dubious scheme meant to rob people.
yes