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 is smiling on the beach. Sentence 2: The boy mad because he had to sit downstairs for two hours.
Example Output: C

Example Input: Sentence 1: Woman standing on the shore of a beach. Sentence 2: A woman sits under a tree and reads a book.
Example Output: C

Example Input: Sentence 1: A dog jumping in midair above grass. Sentence 2: A dog jumping for a frisbee.
Example Output:
N