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.

[EX Q]: Sentence 1: Quarterback Tim Tebow is throwing a pass as his team guards against the opposing team. Sentence 2: A football player throwing a pass.
[EX A]: C

[EX Q]: Sentence 1: People are gathered on a stage. Sentence 2: Dogs are gathered on a stage.
[EX A]: C

[EX Q]: Sentence 1: A woman in a brown sweater is sewing on her machine. Sentence 2: The woman doesn't have a sewing machine.
[EX A]:
C