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 in a gray t-shirt and a woman in shorts and a black t-shirt stand in front of a monument. Sentence 2: People are on a field trip.
Example Output: N

Example Input: Sentence 1: A group of dancers takes their bows. Sentence 2: A dance group bows after dancing.
Example Output: C

Example Input: Sentence 1: A bartender with a white shirt is pouring a glass of orange liquor. Sentence 2: A bartender is serving drinks.
Example Output:
C