TASK DEFINITION: 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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: FROGS 
Clue: Probably best known to TV viewers as Valene Ewing, she had female lead in 1972 “Frogs”

SOLUTION: joan van ark

PROBLEM: Category: A NOSE FOR GNUS 
Clue: A main predator of the adult gnu, it has a mane, too

SOLUTION: lion

PROBLEM: Category: CHILDREN'S LITERATURE 
Clue: In "The Jungle Book" Shere Khan is one of these wild animals

SOLUTION:
a tiger