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.

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


[Q]: Sentence 1: A white dog swims with a stick. Sentence 2: A dog is swimming with a stick.
[A]: C


[Q]: Sentence 1: A man wearing a black tank top and red plaid hat is smiling as a man behind him is playing with a colorful object. Sentence 2: A child swings on a playset.
[A]:
C