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: Man cleans roller coaster. Sentence 2: Cleaning roller coaster
Example Output: C

Example Input: Sentence 1: A Mac laptop, open, on top of a blue chair in a room with a group of people sitting in a semicircle around it. Sentence 2: A group of hikers rest around a campfire.
Example Output: C

Example Input: Sentence 1: A man is seasoning food on a grill. Sentence 2: A man is hosting a BBQ.
Example Output:
N