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 boys stand in front of vending machines. Sentence 2: Two girls sell lemonade.

Ex Output:
C


Ex Input:
Sentence 1: A black and white dog is going through an obstacle course. Sentence 2: A giraffe is eating a person.

Ex Output:
C


Ex Input:
Sentence 1: A shirtless man is getting ready to hit a tennis ball. Sentence 2: A man is practicing for his next tennis match.

Ex Output:

N