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.

Ex Input:
Sentence 1: Two girls sit back to back. Sentence 2: two girls are sitting together.

Ex Output:
C


Ex Input:
Sentence 1: The market man prepares the meat for sale. Sentence 2: A man cleaning fish.

Ex Output:
N


Ex Input:
Sentence 1: Two people signing books. Sentence 2: People are having a book signing in a bookstore.

Ex Output:

N