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: He must parry opponents' attacks better. Sentence 2: He hadn't practiced parrying techniques recently.
no

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.
yes

Sentence 1: we're really on to that that the masking is you have to do that very very carefully Sentence 2: The masking has to be done carefully because if you mess up it ruins the whole project. 

no