Premise: Hubert Horatio Humphrey Jr. ( May 27 , 1911January 13 , 1978 ) was an American politician who served as the 38th Vice President of the United States under President Lyndon B. Johnson from 1965 to 1969 . He was the nominee of the Democratic Party in the 1968 presidential election , losing to the Republican nominee Richard M. Nixon . He served three terms in the Senate from 1949 to 1964 and was the Democratic Majority Whip from 1961 to 1964 .
Hypothesis: Hubert Humphrey served in at least one political position in the US.
Label: ENTAILMENT