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: Two men play their instruments while a third sings. Sentence 2: The man sings while two men play their instruments.

SOLUTION: C

PROBLEM: Sentence 1: A young girl wearing a hat and blue jeans is on a swing. Sentence 2: A girl is outside.

SOLUTION: N

PROBLEM: Sentence 1: Bike rider is looking at a accident of other sports bike rider. Sentence 2: There is at least one person in this picture, and he/she is outside.

SOLUTION:
C