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 black and white dog is going through an obstacle course. Sentence 2: A giraffe is eating a person.
Example Output: C

Example Input: Sentence 1: Man and woman sort clothes together. Sentence 2: A man wiping sweat off his forehead.
Example Output: C

Example Input: Sentence 1: People waiting outside a building next to a mural. Sentence 2: People talking outside a place.
Example Output:
N