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.

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.
N

Sentence 1: Two men practice some kind of martial arts. Sentence 2: People are eating steak
C

Sentence 1: A man skateboarding in front of graffiti. Sentence 2: A man is skateboarding.

C