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 small tan dog running in the grass with a stick in his mouth Sentence 2: A small tan dog running in the tall dead grass with a stick in his mouth.
Example Output: N

Example Input: Sentence 1: There is a man, wearing a yellow shirt, and grimacing. Sentence 2: There is a man wearing a pained expression.
Example Output: C

Example Input: Sentence 1: Men standing on ladders repairing the windows of a building. Sentence 2: A group of guys make repairs on a building
Example Output:
C