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: People attending an event in a park. Sentence 2: People are in the park.
Example Output: C

Example Input: Sentence 1: A small boy wearing blue is walking on barefoot towards the edge of a beach as small waves hit the shore. Sentence 2: A boy wearing blue walking as waves hit the shore.
Example Output: N

Example Input: Sentence 1: An athlete riding a green dirt bike around a curve on the track. Sentence 2: A person is in a wheelchair.
Example Output:
C