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 man wearing a gray shirt is talking and a woman wearing a red tank top and a man wearing a green shirt is listening to him. Sentence 2: A man instructs his new employess on the details of their jobs.

A: N
****
Q: Sentence 1: Two men in black jumped with arms raised on a tennis court, as the opposing team in white walk towards the net. Sentence 2: Two tennis players taunt their opposition by jumping around and mocking them.

A: N
****
Q: Sentence 1: A roofer in a black jacket putting tiles on a roof. Sentence 2: There is a child on the roof.

A:
C
****