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: A guy is sitting by a tree watching a girl sing with a blue bucket in front of her. Sentence 2: two dogs are singing by a tree
[EX A]: C

[EX Q]: Sentence 1: A man wearing a green shirt on the runway fuels up a jetliner. Sentence 2: The man is preparing to ride an airplane.
[EX A]: N

[EX Q]: Sentence 1: Woman giving a presentation at a Wikimedia event. Sentence 2: A woman delivering a sermon in a church.
[EX A]:
C