Text: On the other hand, if you really believe that people care about wealth only for what it will buy them, it's hard to explain why Bill Gates gets up and goes to work in the morning.
Entailment: If people like Bill Gates believed that one only cares about wealth for what it will buy them, then they wouldn't bother going to work.
Contradiction: I people like Bill Gates only cared about wealth and what it can buy them, then would never get up and go to work in the morning.