Premise: The Minnesota Vikings are an American football team based in Minneapolis , Minnesota . The Vikings joined the National Football League ( NFL ) as an expansion team in 1960 , and first took the field for the 1961 season . The National Football Conference ( NFC ) is one of the two conferences of the National Football League ( NFL ) , the highest professional level of American football in the United States .
Hypothesis: The Minnesota Vikings are a tennis team.
Label: CONTRADICTION