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 ballerina dancing in front of a mountainous landscape. Sentence 2: a ballerina is dancing in front of a nice landscape
Example Output: C

Example Input: Sentence 1: A group of Asian children participate in group activities in a classroom. Sentence 2: A group of Mexican children are eating lunch
Example Output: C

Example Input: Sentence 1: A dog running in snow. Sentence 2: A dog is sleeping inside the house.
Example Output:
C