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: Natalia didn't comment, though her expression was even more dour than usual. Sentence 2: Natalia was quiet and sad.

SOLUTION: yes

PROBLEM: Sentence 1: Why, that there is altogether too much strychnine about this case.  Sentence 2: This case contains too much strychnine.

SOLUTION: yes

PROBLEM: Sentence 1: Nye answered before Drew could. Sentence 2: Nye answered first. 

SOLUTION:
yes