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 long line of children are walking along a dirt path in front of a building as adults are sporadically placed along the path to watch them. Sentence 2: the children are walking
C

Sentence 1: A white dog walking beside a bicycler. Sentence 2: The dog is riding a bike.

C