In this task, you're given a pair of sentences, sentence 1 and sentence 2. Your job is to choose whether the two sentences clearly agree (entailment)/disagree (contradiction) with each other, or if this cannot be determined (neutral). Your answer must be in the form of the letters E, C, and N respectively.

[EX Q]: Sentence 1: Two men wearing hats with a flame at the top. Sentence 2: Two men in hats.
[EX A]: C

[EX Q]: Sentence 1: A runner winces as he runs. Sentence 2: His leg fell off while he was running.
[EX A]: C

[EX Q]: Sentence 1: Women's volleyball at the Olympics is very intense. Sentence 2: Sports can be challenging.
[EX A]:
C