Question: What book grouped into three categories: comedies, histories, and tragedies, contains a play believed to have been written in 1599? 
Sentence (from "Shakespearean comedy"): In the First Folio, the plays of William Shakespeare were grouped into three categories: comedies, histories, and tragedies, though today many scholars recognize a fourth category, romance, to describe the specific types of comedies that appear as Shakespeare's later works.
Relevant evidence: Yes