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.
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Question: Sentence 1: Four musicians perform on stage. Sentence 2: People are performing a song they all wrote together.

Answer: N


Question: Sentence 1: A smiling dark-skinned young man sits on a stool at his outdoor workbench and makes a hand gesture of "two-thumbs-up". Sentence 2: A man smiles as he finishes a project at his outdoor workbench.

Answer: N


Question: Sentence 1: A man in a green shirt smoothing wet concrete. Sentence 2: A man is building a boat.

Answer:
C