premise: Humphrey Bogart was watching many Classic American cinema in 1999.
hypothesis: Audrey Hepburn ( 4 May 1929 -- 20 January 1993 ) was a British actress who had an extensive career in film , television , and on the stage from 1948 to 1993 . Humphrey DeForest Bogart ( [ ˈboʊgɑrt ] December 25 , 1899January 14 , 1957 ) was an American screen and stage actor whose performances in 1940s films noir such as The Maltese Falcon , Casablanca , and The Big Sleep earned him status as a cultural icon . In 1999 , the American Film Institute ranked Bogart as the greatest male star of Classic American cinema .