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: The smiling woman in the red helmet is outdoors holding a very long rope. Sentence 2: A woman in a red helmet swimming through a lake.
Example Output: C

Example Input: Sentence 1: Two men play their instruments while a third sings. Sentence 2: The man sings while two men play their instruments.
Example Output: C

Example Input: Sentence 1: A woman is in a liquor store. Sentence 2: A woman is looking at wine bottles.
Example Output:
N