Premise: Rihanna . Many of her songs rank among the world 's best-selling singles of all time , including the singles `` Umbrella '' , `` Take a Bow '' , `` Disturbia '' , `` Only Girl ( In the World ) '' , `` S&M '' , `` We Found Love '' , `` Diamonds '' , and `` Stay '' in which she is the lead artist , and her collaborations `` Live Your Life '' ( with T.I. ) , `` Love the Way You Lie '' and `` The Monster '' ( both with Eminem ) .
Hypothesis: Rihanna has never sold a record.
Label: CONTRADICTION