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.

Sentence 1: Four musicians perform on stage. Sentence 2: People are performing a song they all wrote together.
N

Sentence 1: Man in a blue motocross outfit and red helmet riding a dirt bike on a trail. Sentence 2: A man riding a dirt bike down a trail.
C

Sentence 1: a line waiting to get into a movie Sentence 2: The people are waiting to watch Harry Potter.

N