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 dog runs through the grass. Sentence 2: A cat runs outside.
C

Sentence 1: A man in a red shirt and a blue hat digs sand in front of a sand sculpture of a man sitting on a throne. Sentence 2: A man in the sand made a sand sculpture.
N

Sentence 1: A young dark-skinned girl is having her sneakers polished. Sentence 2: A girl is paying for someone to polish her sneakers.

N