Premise: John Fitzgerald `` Jack '' Kennedy ( May 29 , 1917 -- November 22 , 1963 ) , commonly referred to by his initials JFK , was an American politician who served as the 35th President of the United States from January 1961 until his assassination in November 1963 .
Hypothesis: One of the former presidents of the United States of America was John F. Kennedy.
Label: ENTAILMENT