Premise: Grace Patricia Kelly ( November 12 , 1929September 14 , 1982 ) was an American actress who became Princess of Monaco after marrying Prince Rainier III , in April 1956 . After embarking on an acting career in 1950 , at age 20 , Kelly appeared in New York City theatrical productions and more than 40 episodes of live drama productions broadcast during the early 1950s Golden Age of Television . Other films include High Noon ( 1952 ) with Gary Cooper , Dial M for Murder ( 1954 ) with Ray Milland , Rear Window ( 1954 ) with James Stewart , To Catch a Thief ( 1955 ) with Cary Grant , and High Society ( 1956 ) with Frank Sinatra and Bing Crosby .
Hypothesis: Grace Kelly was not an actress.
Label: CONTRADICTION