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: The intervention led to a small change in bike helmet use and a slightly larger change in seat belt use, but it did not lead to changes in alcohol variables or weapon carrying. Sentence 2: The intervention helped saved a lot of different lives.
[EX A]: no

[EX Q]: Sentence 1: Accuracy and usefulness of the breath alcohol analyzer. Sentence 2: The breath alcohol analyzer's accuracy needs to be improved in order for its usefulness to improve.
[EX A]: no

[EX Q]: Sentence 1: 'Different. Sentence 2: Not quite similar, but not quite unique.
[EX A]:
no