Task: Instance Class Understanding (ontology: Sciences/Biology)

Which of the following classes does 'transvestism' belong to as one valid explicit type? Context: A pathologizing term referring to the practice of dressing in a style or manner traditionally associated with the opposite sex. The term should be replaced with the more modern and less pathologizing term "cross-dressing".

A. discourse
B. generically dependent continuant
C. obsolete medical term
D. social entity

Answer: obsolete medical term