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 young man is sitting next to the ornate building wall with the backpack on the ground and hiding his face in his hands. Sentence 2: A man climbing the side of a building.

Ex Output:
C


Ex Input:
Sentence 1: A couple is attending a concert. Sentence 2: A person is by themselves.

Ex Output:

C