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: A Mariachi band performing in the back of a restaurant. Sentence 2: A band is playing inside.
Example Output: C

Example Input: Sentence 1: People waiting to enter a white building through an entry way with an orange handwritten sign to the left of it. Sentence 2: People are waiting to enter the building.
Example Output:
C