China's criminal law stipulates that robbery refers to the act of forcibly obtaining public and private property by violence, threat of violence or other methods for the purpose of illegal possession.
According to the above definition, which of the following acts does not constitute robbery?
Zhang owed Liu 5000 yuan and didn't pay it back. Liu cheated Zhang to his home, forced Zhang to hand over his bank card and say the password. Liu took 10,000 yuan from the bank and put Zhang back.