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.

Q: Sentence 1: A band consisting of three men and a woman perform in an alley with a van in the background. Sentence 2: A band is having an impromptu practice in front of their tour van before a concert.

A: N
****
Q: Sentence 1: A man in a black shirt and jeans stands at a microphone holding a guitar. Sentence 2: The man is performing.

A: C
****
Q: Sentence 1: A man fishing in water with great waves. Sentence 2: A man is fishing with great waves.

A:
C
****