context: A man in a purple mascot costume is standing outside of a store while a man and a woman each wearing flamboyant clothing stand off to the side.
hypothesis: Chances are about even that the costume is promoting the man's work.
valid_hypothesis: Chances are about even that the costume is promoting the man's work.
invalid_hypothesis: There is almost no chance that the costume is promoting the man's work.
hypothesis_assertion: The costume is promoting the man's work.