Premise: West Ham United F.C. is a football club based in London . West Ham United Football Club is a professional football club based in Stratford , East London , England . They compete in the Premier League , the top tier of English football . They are one of eight clubs never to have fallen below the second tier of English football , spending 59 of 91 league seasons in the top flight , up to and including the 2016 -- 17 season .
Hypothesis: West Ham United F.C. is a basketball club.
Label: CONTRADICTION