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: one person wearing a backpack sitting on the side of a rocky mountain. Sentence 2: A person is on a hike.
[EX A]: N

[EX Q]: Sentence 1: A black and white dog is chasing a ping Frisbee. Sentence 2: The black and white dogs are chasing a duck.
[EX A]: C

[EX Q]: Sentence 1: A teenage girl holds a little boy near ivy covered walls. Sentence 2: The teenage girl is studying for her algebra exam in the morning.
[EX A]:
C