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: Two dark-haired men in orange shirts leaning on a desk next to a man in a uniform. Sentence 2: The three men are coworkers.
N

Sentence 1: A dog is lying in the grass with a body of water beside him. Sentence 2: The dog is running.
C

Sentence 1: A musician is singing and playing guitar on stage. Sentence 2: The singer is singing.

C