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: WHAT A CARD! 
Clue: Ken Jennings used these briefly displayed items to get ready to play "Jeopardy!"
flashcards

Category: THE BIG BANGLADESH 
Clue: The green on the flag of Bangladesh represents its lush vegetation; the red circle in the middle is this
the sun

Category: "MATE" 
Clue: An archbishop ranking first in a province or country

a primate