Premise: Thelma Catherine `` Pat '' Nixon ( née Ryan ; March 16 , 1912 -- June 22 , 1993 ) was the wife of Richard Nixon , the 37th President of the United States , and First Lady of the United States from 1969 to 1974 . Richard Nixon . He and his wife Pat moved to Washington in 1942 to work for the federal government .
Hypothesis: Richard Nixon's wife's legal middle name was Catherine.
Label: ENTAILMENT