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.

Input: Consider Input: Sentence 1: A man in a black shirt and jeans stands at a microphone holding a guitar. Sentence 2: The man is performing.

Output: C


Input: Consider Input: Sentence 1: The hikers climb the staircase in the woods. Sentence 2: The hikers are climbing the wooden staircase.

Output: N


Input: Consider Input: Sentence 1: Two girls, one black, one white, swimming. Sentence 2: The girls were swimming at the gold club.


Output: N