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

Sentence 1: Two men at a concert are screaming. Sentence 2: The men are taking a nap at the concert.
C

Sentence 1: A man and a woman are holding each other in the green grass while smiling. Sentence 2: A couple are sitting on the grass in the park.

N