The following statements are related to Gamma Gang-of-four design patterns. Which statement is FALSE?

1 Use object adapter if you want a single Adapter to work with multiple Adaptees.

2 In class adapter, Adapter is a subclass of Adaptee and therefore can override some behaviour of Adaptee.

3 Clients that use a Faade cannot use its subsystem classes directly.

4 An adapter adapts the interface of existing object(s) while a decorator enhances another object without changing its interface.