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 white dog swims with a stick. Sentence 2: A dog is swimming with a stick.
C

Sentence 1: Seven construction workers working on a building. Sentence 2: The men are setting the building on fire.
C

Sentence 1: Some children participating in a class activity at school. Sentence 2: Students at lunch at a school.

C