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

Sentence 1: The person in a sweater sits on wood, looking at the water. Sentence 2: The person sits.
C

Sentence 1: A person stands alone at the top of the stairs. Sentence 2: A person is by a flight of stairs.

C