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: A white dog is trying to catch a ball in midair over a grassy field. Sentence 2: A man threw a red ball to his dog.

Answer: N


Question: Sentence 1: A man in a black shirt and jeans stands at a microphone holding a guitar. Sentence 2: The man is performing.

Answer: C


Question: Sentence 1: A man in a gray suit covering his mouth with his hand. Sentence 2: There is a man wearing a gray suit.

Answer:
C