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 man wearing a mustang shirt is getting ready to throw a knife at a competition. Sentence 2: A man wearing a mustang shirt getting ready to throw knives in a knife throwing competition in front of a crowd.
Example Output: N

Example Input: Sentence 1: A little boy is wearing a blue and white shirt while holding a toy animal that is either a crocodile or an alligator. Sentence 2: A girl climbs a tree.
Example Output: C

Example Input: Sentence 1: A person is riding a bike on a dirt track. Sentence 2: a person is riding a bike.
Example Output:
C