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

Sentence 1: Athletes who are wearing numbered outfits are preparing to enter the water for a sporting event. Sentence 2: Polo players are getting ready.
N

Sentence 1: a small white and black dog jumping over a big brown couch. Sentence 2: A small dog is playing with a new couch.

N