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.

Category: THE NATURE OF THINGS 
Clue: This "colorful" whale can grow up to 100 feet long & weigh more than 150 tons
a blue whale

Category: HOLIDAYS & OBSERVANCES 
Clue: Mexico defeated France at the Battle of Puebla on this date in 1862
fifth of may

Category: YEARS 
Clue: Bill Clinton reelected president

1996