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: FDA responds in the preamble to the final rule to several comments it received and maintains its conclusion that the rule does not have a negative impact. Sentence 2: FDA says the rule doesn't affect the body negatively.
no

Sentence 1: His old eyes bored into the younger man, and he nodded. Sentence 2: He did not look at the younger man.
yes

Sentence 1: The revisions of the National Ambient Air Quality Standards (NAAQS) aimed at reducing haze may require electric utility sources to adopt additional control measures. Sentence 2: At the moment, no air quality standards exist.

yes