context: A dark-haired man in a black uniform is speaking to a man wearing a black jacket and black helmet on a motorbike.
hypothesis: It is impossible that a man in a police uniform is talking to another man.
valid_hypothesis: Chances are about even that a man in a police uniform is talking to another man.
invalid_hypothesis: It is impossible that a man in a police uniform is talking to another man.
hypothesis_assertion: A man in a police uniform is talking to another man.