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: Men standing in a dumpster in a city. Sentence 2: Some men are in a dumpster.
C

Sentence 1: a group of young men sing out together. Sentence 2: The men are vocalizing
C

Sentence 1: A man is running a race while being watched by others. Sentence 2: a man is running in a marathon

N