S5(1) is wide enough that property can belong to more than one person. Can belong to those who own, possess or control it, Turner No.2
S5(3) states if a person receives property from another and obligated to deal with it in a particular way, property belongs to another. Shown in Re Kumar.
S5(4) states if a person receive money by mistake, and is obliged to return it they will be guilty of theft as long as all other elements are present. AG’s Ref (No1 of 1983) police officer obliged to return money accidentally paid.
Section 5 is complete, which means the AR is complete.