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: At an outdoor event, one man is speaking into a megaphone while another man is holding the megaphone. Sentence 2: Two men are assisting one another with a megaphone.
Example Output: C

Example Input: Sentence 1: A dog running in snow. Sentence 2: A dog is sleeping inside the house.
Example Output: C

Example Input: Sentence 1: A group of people are leaving the Lincoln Center Theater after seeing South Pacific. Sentence 2: Some people are walking to a restaurant.
Example Output:
N