Person A steals Person B’s car, and is caught. During his trial, it is revealed that Person B bought the car with the proceeds of a theft that he himself committed. Person B’s victim has since died and left no heirs. Person A, who is on trial, argues that he did not commit theft, since Person B is not the legitimate owner of the car – in fact, there is no legitimate owner. You are on the jury. Do you think Person A is guilty of theft or not?