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: an old man sitting on a bench staring at the ocean Sentence 2: The man's buttocks are on the bench.
Example Output: C

Example Input: Sentence 1: High school basketball player making a jump shot with two players defending the basket. Sentence 2: A boy in high school is playing basketball with two friends.
Example Output: N

Example Input: Sentence 1: A dog bounds into the water. Sentence 2: The dog is hiding under a mattress.
Example Output:
C