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 man crosses the city street in a snowstorm while a van and garbage truck drive by. Sentence 2: A person crosses the city street in a snowstorm while a van and garbage truck drive by.
Example Output: C

Example Input: Sentence 1: A man in a yellow vest is smoking and working in a field. Sentence 2: A man is working in a field.
Example Output: N

Example Input: Sentence 1: A windsurfer is flipped upside down on a wave. Sentence 2: A dog rides a surfboard.
Example Output:
C