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 wearing a green shirt on the runway fuels up a jetliner. Sentence 2: The man is preparing to ride an airplane.
Example Output: N

Example Input: Sentence 1: A man is letting a toddler drink from his glass. Sentence 2: the man hits the toddler
Example Output: C

Example Input: Sentence 1: Blond male sitting with a drink in his hand. Sentence 2: Blond man has nothing to drink
Example Output:
C