Match each UML diagram in List-I with the appropriate description in List-II:
List-I
(a) State Diagram
(b) Use-Case Diagram
(c) Class Diagram
(d) Activity Diagram
List-II
(i) Describes how the external entities (people, devices) can interact with the system
(ii) Used to describe the static or structural view of a system
(iii) Used to show the flow of a business process, the steps of a use-case or the logic of an object behaviour
(iv) Used to describe the dynamic behaviour of objects and could also be used to describe the entire system behaviour

1. A(A) (a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)
2. B(B) (a)-(iv), (b)-(ii), (c)-(i), (d)-(iii)
3. C(C) (a)-(iv), (b)-(i), (c)-(ii), (d)-(iii)
4. D(D) (a)-(i), (b)-(iv), (c)-(ii), (d)-(iii)

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