premise: A man with a white rag over the lower portion of his face, wearing a black shirt, that looks to be bleeding, or have blood on the rag. hypothesis: A person covered his injury sustained from work.
neutral: The fact that the man has a rag over his face doesn't mean that he is covering up a wound, he may simply be trying to hide his identity.  There is no reason to think that this man may or may not have been at work.