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: A group dressed in wintery attire of people on a sidewalk in Washington D.C. Sentence 2: People standing on a sidewalk.
Example Output: C

Example Input: Sentence 1: Several teens are starting a race as older students observe the action. Sentence 2: Some tall humans.
Example Output: N

Example Input: Sentence 1: Lady pushing her baby in a stroller on the waterfront. Sentence 2: A lady is walking around the lake with her baby.
Example Output:
N