UML Diagram of trees
The simplified UML diagram above shows the relationships among classes Bird, Crow, and Duck. Suppose Russell is an instance of Crow and Howard is an instance of Duck. Which of the following is incorrect?

Crow is an instance of Bird
  • Howard is an instance of Bird
  • Russell has the capabilities and attributes of a Bird
  • Bird is the superclass of Duck
  • All Bird attributes are inherited by Russell and Howard

Reminder this is looking for you to identify the incorrect answer