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 dressed in white walks a yellow rope on the ground that is attached to the handlebars of a bicycle. Sentence 2: The man pulling the bicycle with the rope.
Example Output: N

Example Input: Sentence 1: A band is playing music on stage. Sentence 2: The band is warming up backstage.
Example Output: C

Example Input: Sentence 1: A woman is pulling a young girl on a sled through the snow. Sentence 2: The little girl in on the sled.
Example Output:
C