The properties of a system can be listed as follows:

• Every system has a specific purpose. The purpose underlines the fact that system has at least one function. ?
• System has more than one component (part, element) ?
• There is a relationship and interaction between the components forming the system
• Components form a whole. Here, whole is not used in the meaning of “monolith” or “uniform” but in the meaning of “formation” which fulfills a specific function with the help of the components. ?

Therefore, the 3^rd and the 4^th items are unacceptable.