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.

Example Input: 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.
Example Output: yes

Example Input: Sentence 1: as total lines of code or can be broken out into new, modified, and reused lines of code. Sentence 2: Code can be cut down to change or reuse it.
Example Output: yes

Example Input: Sentence 1: so you know they i i know that's bad but you know the just like Texas now Sentence 2: I know it's bad, but Texas already does it. 
Example Output:
yes