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: Two girls sit back to back. Sentence 2: two girls are sitting together.
C

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: four young football players in mid play. Sentence 2: Four young people are playing flag football with no helmets.

N