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 with black hair and gray pants is standing holding a helmet and looks very dirty. Sentence 2: A man is not clean

A: C
****
Q: Sentence 1: A black young man with a t-shirt written "6" and "URKLE" is walking on a street with another young man while holding a basketball. Sentence 2: The men are playing football.

A: C
****
Q: Sentence 1: a meeting room full of happy faced people. Sentence 2: the people are all smiling

A:
C
****