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: Two older looking cars are on a drag race strip. Sentence 2: Two cars about to race.
Example Output: N

Example Input: Sentence 1: a group of young men sing out together. Sentence 2: The men are vocalizing
Example Output: C

Example Input: Sentence 1: A man is driving a blue boat in front of a line of buildings. Sentence 2: The man is driving a car.
Example Output:
C