Task: Class Definition Understanding (ontology: Arts_Media_Entertainment/Propp)

Which of the following definitions best describes 'Stepparent'?

A. A subclass of parent, without specifying biological or step relationship.
B. A subclass of parent.
C. A subclass of parent that has only biological children.
D. A subclass of stepparent, each with gender female and at least one stepchild.

Answer: A subclass of parent.