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 talented male artist is drawing caricatures from photographs outside, under an umbrella. Sentence 2: The artist is shielding himself from the bright sun.

A: N
****
Q: Sentence 1: A large group of people are dancing at a party. Sentence 2: There are people dancing.

A:
C
****