Question: Suppose that both A and B are use - cases in a use - case diagram. What kind of relationship is illustrated by the following

Suppose that both A and B are use-cases in a use-case diagram. What kind of relationship is illustrated by the following (choose all that apply):
A inherits and can extend all the functionalities of B
B is the base use-case
B can override the functionalities inherited from A
A inherits all functionality from B
B inherits all functionality from A

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