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: U.S. HISTORY 
Clue: The day affer the 15th Amendment took effect, Thomas Peterson became the 1st Afr. American to do this under its provisions

Output: vote


Input: Consider Input: Category: U.S. CITIES 
Clue: On May 24, 1844 Samuel Morse was in this city demonstrating his invention

Output: washington, d.c.


Input: Consider Input: Category: THE EAST COAST 
Clue: It's the only U.S. island allowed to use a possessive apostrophe by the U.S. Board on Geographic Names


Output: martha\'s vineyard