What is NOT true about a roles and role bindings?
A . A role binding is an association.
B . A role binding maps a connectable element to a role in a collaboration occurrence.
C . The same object may play roles in multiple collaborations.
D . A role types by an interface specifies a set of features required by a participant in a collaboration.
E . The same connectable element may be bound to multiple roles in a single collaboration occurrence.
Answer: A