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 man wearing a green shirt on the runway fuels up a jetliner. Sentence 2: The man is preparing to ride an airplane.
N

Sentence 1: A little boy trying to brush a woman's hair. Sentence 2: The boy wanted to brush his sister's hair.
N

Sentence 1: A boy wearing a blue shirt is standing in front of farm equipment. Sentence 2: A boy is getting ready to do farm work.

N