Which statements are true about subclass and superclasses?

Group of answer choices

A subclass has all the data attributes and methods of a superclass. In addition, a subclass may have additional data attributes and methods.

A superclass has all the data attributes and methods of a subclass. In addition, a superclass may have additional data attributes and methods.

A superclass is related to a subclass via a has$-$a relationship. A superclass has$-$a subclass.

A superclass is related to a subclass via an is$-$a relationship. A superclass is$-$a subclass.