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 is standing in front of a brick storefront wearing a black jacket. Sentence 2: A boy is waiting for the bus.
[EX A]: C

[EX Q]: Sentence 1: A group of dancers takes their bows. Sentence 2: A dance group bows after dancing.
[EX A]: C

[EX Q]: Sentence 1: A woman is standing outside of a building talking on her cellphone. Sentence 2: A woman gets a CAT scan.
[EX A]:
C