Given the following UML diagram, answer the questions below. a) Which class contains class F? b) Which class uses class B? c) Which class may change if class E changes? d) How many instances of class F does class E have? e) How many instances of class B does class E have? f) Circle one. True or False: "Class D may be used wherever class A is used." 9) Circle one. True or False: "Class C may be used wherever class F is used