You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: CHOOSE A "CIDE" 
Clue: Final act of playwrights Seneca & von Kleist
suicide

Category: ALL ABOUT AUTHORS 
Clue: "The Remains of the Day" author Kazuo Ishiguro was a grouse beater for this grandmother of Prince Charles
the queen mother

Category: REDUNDANCY & REPETITION 
Clue: This common legal order to terminate an activity includes 2 synonyms for "stop"

cease & desist