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: Fiscal Policy, Population Aging, and National Saving, Journal of Economic Perspectives    Sentence 2: Fiscal policy is directly related to population aging.
no

Sentence 1: Our work also has shown that the international Sentence 2: Our work proves that the international...
yes

Sentence 1: The cobbled street leads inexorably upward, past the Governor's House and the New Barracks, neither of which is open to visitors. Sentence 2: The street takes you inside the Governor's House.

yes