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.
--------
Question: Category: ROMANCE NOVELIST HISTORY BOOK 
Clue: It was WWI. Her new name meant "eye of the dawn" & she felt reborn.  Oh, how she loved German military men!

Answer: mata hari


Question: Category: GOING ALPHANUMERIC 
Clue: Bingo square coordinate that sounds like a synonym for "not malignant"

Answer: b-9


Question: Category: IF THE SHOE FITS 
Clue: A type of sandal with a strip of material between the toes, or the strip of material itself

Answer:
thong