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: The cat is squinting. Sentence 2: The cat is trying to see something
Example Output: N

Example Input: Sentence 1: A crowd of people are clapping their hands at a concert and some are wearing blue wristbands. Sentence 2: A group of people are booing a band offstage
Example Output: C

Example Input: Sentence 1: A maintenance working in an orange vest is looking at the doors of a bus or subway. Sentence 2: The people are sleeping.
Example Output:
C