Premise: Katharine Hepburn . She appeared in a range of genres , from screwball comedy to literary drama , and she received four Academy Awards for Best Actress -- a record for any performer . In 1999 , Hepburn was named by the American Film Institute as the greatest female star of Classic Hollywood Cinema . She found a niche playing middle-aged spinsters , such as in The African Queen ( 1951 ) , a persona the public embraced . She remained active into old age , making her final screen appearance in 1994 at the age of 87 .
Hypothesis: Katharine Hepburn acted.
Label: ENTAILMENT