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.
Input: Category: AMERICAN HISTORY 
Clue: He shook up society in the 1960s & later published "Revolution for the Hell of It" & "Steal This Book"
Output:
abbie hoffman