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 young boy poses in a field with a baseball bat. Sentence 2: A boy poses with a basketball cap.
Example Output: C

Example Input: Sentence 1: Two motorcycle racers ride along a racetrack. Sentence 2: Two motorcycle riders are testing a track.
Example Output: N

Example Input: Sentence 1: This is a group of people standing around at some sort of event. Sentence 2: The people are walking down the sidewalk.
Example Output:
C