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: Man and woman sort clothes together. Sentence 2: A man wiping sweat off his forehead.
C

Sentence 1: A boy holds up a strange plant. Sentence 2: The boy is not holding anything.
C

Sentence 1: Two black and white dogs running in a field. Sentence 2: 3 dogs are playing in the field.

C