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 man dressed in rags, a pajamas and a hat is taking a picture of himself by shooting at a mirror in front of him. Sentence 2: the man is dressed in a clean tuxedo
[A]: C


[Q]: Sentence 1: A man in a blue shirt rollerblading on a ramp. Sentence 2: a man swims in the ocean
[A]:
C