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.

Q: 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.

A: N
****
Q: Sentence 1: A crowd of people walk next to a train. Sentence 2: They are going on a trip.

A: N
****
Q: Sentence 1: A man outside nearby a body of water. Sentence 2: A man is standing next to a lake

A:
N
****