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 jumps over a wave while riding a surfboard. Sentence 2: A woman is surfing
Example Output: C

Example Input: Sentence 1: A man is stopped on the street on his motorcycle. Sentence 2: A man is outdoors thinking about running a red light
Example Output: N

Example Input: Sentence 1: A soccer net at sunset. Sentence 2: A ball is kicked in the soccer net at sunset.
Example Output:
N