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: A man wearing a gray shirt is talking and a woman wearing a red tank top and a man wearing a green shirt is listening to him. Sentence 2: A man instructs his new employess on the details of their jobs.
N

Sentence 1: At a rodeo and a cowboy is riding a bull and other men are standing by. Sentence 2: The bull is trying to throw the man off its back.
C

Sentence 1: A worker on scaffolding passing a tool to another worker in front of a brick structure. Sentence 2: the workers were outside

N