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 man wearing a black shirt leans over a pool table to take a shot. Sentence 2: A person playing billiards.
C

Sentence 1: A man rolling up a hose at a train station. Sentence 2: A man is rolling up a hose.
C

Sentence 1: A man in a black vest tries to open the window of a white and yellow van. Sentence 2: A man is wearing a black vest.

C