sentences:  A live-action black janitor, played by Oscar Polk, best known for his portrayal as the servant "Pork" in the 1939 film "Gone with the Wind", studies hypnotism from a book while cleaning Max Fleischer's desk at the Fleischer studio.He manages to conjure Max's pen into drawing Betty Boop.In a sequence of animation mixed with live-action, he uses his new powers to control the white animated Boop.