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: GAO will generally provide written notification to the agencies involved in the work electronically in an agreed-upon format that protects the files from alteration. Sentence 2: Agencies involved in the work can request administrator access so they can change the files remotely in special circumstances.

SOLUTION: no

PROBLEM: Sentence 1: In the following centuries sand swept through the area burying many of the buildings. Sentence 2: Over time, sand swept through the region and buries the buildings.

SOLUTION: yes

PROBLEM: Sentence 1: The Congress of Vienna of 1815, with an aim to reorganize Europe after Napoleon's escapades, did not re-establish an independent Poland. Sentence 2: Poland had been broken up for fifty years prior.

SOLUTION:
no