TASK DEFINITION: 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.
PROBLEM: Sentence 1: Each of the companies visited used this as an indicator of the product's readiness for production and emphasized the importance of having critical manufacturing processes under control by the start of production. Sentence 2: Most of these companies had to learn this the hard way from previous production breakdowns.

SOLUTION: no

PROBLEM: Sentence 1: They were justifiably concerned, advocates say. Sentence 2: The concern was quite normal due to the case.

SOLUTION: no

PROBLEM: Sentence 1: We did our work in accordance with generally accepted government auditing standards from December 1999 through May 2001 in Washington, Sentence 2: Our work was done with the government standards from December 1991 to May 2001

SOLUTION:
yes