<human>:  In Shakespeare’s ‘The Merchant of Venice’, why does Shylock want to kill Antonio?
<bot>: Antonio lent Shylock some money, but Antonio never paid him back. Shylock was very angry, and he wanted to get his money back. Shylock wanted to kill Antonio because he was afraid that Antonio would not pay him back. Shylock thought that if he killed Antonio, then Antonio would be forced to pay him back.