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.

Sentence 1: The hikers climb the staircase in the woods. Sentence 2: The hikers are climbing the wooden staircase.
N

Sentence 1: A little girl in pink stands at the top of stairs in front of building. Sentence 2: The boy stands in the doorway.
C

Sentence 1: Black dog near a dock looks into murky water Sentence 2: A dog is near dirty water.

C