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.

[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.
[A]: no


[Q]: Sentence 1: GAO's Mission GAO examines the use of public funds; evaluates federal programs and activities; and provides analyses, options, recommendations, and other assistance to help the Congress make effective oversight, policy, and funding decisions. Sentence 2: The assistance is welcome to Congress.
[A]: no


[Q]: Sentence 1: Flaming Pie , by Paul McCartney (Capitol). Sentence 2: Flaming Pie is a song. 
[A]:
no