premise: A man dressed in a sport coat, slacks and nice shoes, posing in a very busily-decorated room, while wearing a dark green mask that has large yellow monster teeth, a single orange eye, and completely covers his head. hypothesis: There is a man dressed nicely while wearing a mask.
entailment: The man being in a sports coat and slacks and nice shoes could be him being dressed nicely. The mask he is wearing could cover his entire face and be dark green with yellow monster teeth and a single orange eye.