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 elderly gentleman is exiting a building. Sentence 2: An old man has a cane.
Example Output: N

Example Input: Sentence 1: A curly coated dog looking at another dog in the water. Sentence 2: A scene of two dogs.
Example Output: C

Example Input: Sentence 1: A skateboarder is does an "ollie" down a couple of stairs. Sentence 2: A skateboarder doing a trick to impress a girl.
Example Output:
N