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 young boy is smiling on the beach. Sentence 2: The boy mad because he had to sit downstairs for two hours.

A: C
****
Q: Sentence 1: A crowd of people walk next to a train. Sentence 2: They are going on a trip.

A: N
****
Q: Sentence 1: A group of boys in green and blue outfits swing green and blue flags in the air to an on-looking crowd. Sentence 2: They boys are in a marching band.

A:
N
****