TASK DEFINITION: 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.
PROBLEM: Sentence 1: A band is playing music on stage. Sentence 2: The band is warming up backstage.

SOLUTION: C

PROBLEM: Sentence 1: A crowd loiters near the start of a marathon. Sentence 2: A crowd loiters near the start of the New York marathon.

SOLUTION: N

PROBLEM: Sentence 1: Three teenagers are carrying wood down a street while one of the teenagers is smiling at the camera. Sentence 2: There is a group of teenagers dancing.

SOLUTION:
C