instruction:
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.
question:
Category: ART & ARTISTS 
Clue: An X-ray of his "Blue Boy" has revealed the figure of a small dog that was painted out
answer:
thomas gainsborough


question:
Category: SIGNS & SYMBOLS 
Clue: It's the 2-word phrase symbolized here
answer:
handicapped access


question:
Category: SUFFIXES 
Clue: When this suffix is added to a number, it means that a building has that number of units
answer:

-plex