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.

Example Input: Sentence 1: Three traffic lights hang over Wilson Street. Sentence 2: Wilson street has traffic.
Example Output: C

Example Input: Sentence 1: Two men in black outfits have backpacks. Sentence 2: The two men have duffle bags.
Example Output: C

Example Input: Sentence 1: A boy learning how to swim. Sentence 2: The boy is flying a kite.
Example Output:
C