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 couple walks down a city street holding hands. Sentence 2: There is a couple holding hands.

Ex Output:
C


Ex Input:
Sentence 1: A man wearing a blue shirt makes a grouchy face. Sentence 2: A woman wearing a blue shirt makes a grouchy face.

Ex Output:
C


Ex Input:
Sentence 1: A woman in a black uniform and black helmet on skates is competing in a roller derby. Sentence 2: A man wearing all green is on roller skates.

Ex Output:

C