Premise: Mark Cuban ( born July 31 , 1958 ) is an American businessman , investor , author , television personality , and philanthropist . He is also one of the main `` shark '' investors on the ABC reality television series , Shark Tank . Shark Tank . Shark Tank shows aspiring entrepreneur-contestants as they make business presentations to a panel of `` shark '' investors , who then choose whether or not to invest .
Hypothesis: Mark Cuban is a benefactor.
Label: ENTAILMENT