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 simplicity, answers should be in all lower cased letters.
PROBLEM: Category: THE NUDE IN ART 
Clue: People said his male nude "The Age of Bronze" was so lifelike, he must have made casts from live models

SOLUTION: auguste rodin

PROBLEM: Category: GEOLOGISTS 
Clue: In 1957 Sir Vivian Fuchs led the first crossing of this continent; it took 99 days

SOLUTION: antarctica

PROBLEM: Category: VERY JANUARY 
Clue: January is one of this many months in the year with a length of 31 days

SOLUTION:
7