All of the following relationships can be modeled in an object instance diagram except which one? 1. a. Association b. Composition C. Generalization 2. In addition to associations, which other relationships are typically given names? a. Aggregation b. Composition C. Generalization d. None of the above A constraint in a UML class diagram is a particular type of comment that can restrict all of the following except 3. The dynamics of the interactions between objects a. b. The number of instances of a class c. The values of attributes of an object 4. All of the following statements about constraints are true except: . Constraints have Boolean values b. A constraint must be true after the execution of any operation on an object c. Generalization-specialization relationships are forms of constraints