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

Ex Output:
C


Ex Input:
Sentence 1: A group of men, women, and a child at the racetrack. Sentence 2: The racetrack has races going on.

Ex Output:
C


Ex Input:
Sentence 1: A rock climber hangs from a cliff in the mountains. Sentence 2: The rock climber is outdoors.

Ex Output:

C