The crime of embezzlement refers to the act of illegally occupying the financial, forgotten or buried objects handed over by others to their own custody for the purpose of illegal possession, and refusing to return them if the amount is large.
Which of the followings belongs to the crimes of embezzlement
B went to a restaurant for dinner and forgot to take his wallet away when he left. There was 50000 yuan in cash in the bag, but the waiter refused to return the wallet to B