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.

[EX Q]: Sentence 1: (By contrast, Slate 's assessment relies entirely upon sources who are not identified by name.) Sentence 2: The names and origin of Slate's sources are not known.
[EX A]: yes

[EX Q]: Sentence 1: Both the agencies and the CIOs are working to meet the letter and intent of the Clinger-Cohen Act and associated legislation effectively. Sentence 2: The Clinger Cohen act is supposed to increase efficiency.
[EX A]: no

[EX Q]: Sentence 1: Not as good as those his own men carry old ones maybe, but good enough for Apaches. Sentence 2: His own men had the best ones, and none could compare to them.
[EX A]:
no