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: A man in a black shirt and jeans stands at a microphone holding a guitar. Sentence 2: The man is performing.
[EX A]: C

[EX Q]: Sentence 1: a small tan dog running in the grass with a stick in his mouth Sentence 2: A small tan dog running in the tall dead grass with a stick in his mouth.
[EX A]: N

[EX Q]: Sentence 1: A man chops wood near a large tree trunk. Sentence 2: Wood is being chopped.
[EX A]:
C