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: Since the business case in DOD places very little premium on meeting cost and schedule targets, but a very high premium on performance, programs succeed at the point where sunk costs make it difficult-if not prohibitive-for decision makers to cancel them. Sentence 2: Meeting schedule targets is something the DOD places a high premium on.
yes

Sentence 1: One rather formidable group of mailers whose members will benefit mightily from the Commission's recommendations, the periodicals mailers, pointed out in a press statement that the overall average increase for First-Class mail was much smaller than the average increase for mail their members send. Sentence 2: Periodicals mailers never say a word in the press statements.
yes

Sentence 1: The fruit and leaves feed crabs whose waste products in turn feed fish, prawns, and mollusks. Sentence 2: Without the crabs' waste, fish, mollusks, and prawns wouldn't have as much food.

no