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: Consider Input: Category: POLITICAL PHILOSOPHY 
Clue: The subtitle of this influential 1762 treatise is "Principes du droit politique" ("Principles of Political Right")

Output: the social contract


Input: Consider Input: Category: INVENTIONS 
Clue: 11-year-old Frank Epperson invented this by accident when his fruit drink froze after being left outside overnight

Output: the popsicle


Input: Consider Input: Category: ANCIENT BIOGRAPHERS 
Clue: Born around 46 A.D., he spent time in both Greece & Rome & wrote to encourage respect between the 2 cultures


Output: plutarch