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 runner winces as he runs. Sentence 2: His leg fell off while he was running.
Example Output: C

Example Input: Sentence 1: A white dog swims with a stick. Sentence 2: A dog is swimming with a stick.
Example Output: C

Example Input: Sentence 1: One woman is holding something up to her mouth while the other woman has her fingers on the side of her face. Sentence 2: The woman is cutting her fingers off.
Example Output:
C