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 tall, athletic man leaps upward towards the top of a brick wall. Sentence 2: The man is wearing basketball shorts.
N

Sentence 1: At an outdoor event, one man is speaking into a megaphone while another man is holding the megaphone. Sentence 2: Two men are assisting one another with a megaphone.
C

Sentence 1: A worker using a broom to clean the ground. Sentence 2: The ground is being cleaned by a broom.

C