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: A woman in black flips through pages of a book in a library as a girl in white wearing headphones smiles. Sentence 2: The father takes his son to the museum to read books.
C

Sentence 1: A man watches a child swim in a shallow river. Sentence 2: The man and child are father and son.
N

Sentence 1: A man with a cast films some video while another man smiles. Sentence 2: A man is beating on another man with a camera.

C