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 person in a red shirt is riding a bicycle down a road. Sentence 2: A person riding a bike.
Example Output: C

Example Input: Sentence 1: A group of Asian children participate in group activities in a classroom. Sentence 2: A group of Mexican children are eating lunch
Example Output: C

Example Input: Sentence 1: A group of people in mostly casual dress meet at an L-shaped table with laptops and notebooks. Sentence 2: A group of people are in casual dress.
Example Output:
C