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.

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

Output: N


Input: Consider Input: Sentence 1: Several people walking and pushing strollers along a street. Sentence 2: A group of moms are exercising with their babies.

Output: N


Input: Consider Input: Sentence 1: Two men wearing hats stand together and smile. Sentence 2: Two guys appear to be happy about something.


Output: C