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: A man is standing beside a projection screen, and he is directing the attention of a certain area of the screen to other people sitting at tables to listen and watch. Sentence 2: People are gathered to watch a screen.

Ex Output:
C


Ex Input:
Sentence 1: two dogs doing a tug-of-war on a black object Sentence 2: Two dogs are fighting

Ex Output:
C


Ex Input:
Sentence 1: A postal worker smiles, with a brick street background. Sentence 2: A postal worker frowns on the street.

Ex Output:

C