Into which genre should a book or film about president kennedy be placed? A. fiction B. nonfiction C. drama D. poetry

A book or film about President Kennedy should be placed in B. nonfiction.

Nonfiction usually deals with 'real' people, such as celebrities, politicians, sportsmen, etc. So writing a biography about somebody's life would be nonfiction, because those things really happened. If the author was writing a made-up story about President Kennedy, then that would be fiction.