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 crowd of people walk next to a train. Sentence 2: They are going on a trip.
Example Output: N

Example Input: Sentence 1: A boy wearing a pink helmet just went off a jump at a bike park and is midair. Sentence 2: The boy is wearing head protection.
Example Output: C

Example Input: Sentence 1: A man is having his picture taken in a courtyard with people in ornamental dress. Sentence 2: A woman is being photgrapphed
Example Output:
C