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 in his boxers carving a pumpkin. Sentence 2: A man is using a knife.
C

Sentence 1: The dog has red straps in its back. Sentence 2: The dog with red stripes can fly.
N

Sentence 1: Two dogs run through the brush. Sentence 2: The dogs are chasing a squirrel.

N