Context: Plus , I got to hear the worst riddle I \' ve ever heard from a bum . " What \'s the best nation there is ? " " Uh , Kenya ? " " No , a donation . "
Question: What may be the reason for a bum giving them a riddle ?
Option 0: None of the above choices .
Option 1: To let them through .
Option 2: To test their knowledge .
Option 3: To earn money from them .
Answer: 3