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: ON THE ROCKS 
Clue: This rock formed from hardened lava formed the Hawaiian Islands

Output: basalt


Input: Consider Input: Category: DAVID MAMET 
Clue: In 1976 Mamet taught at the School of Drama at this Ivy League university whose alumni include Meryl Streep

Output: yale


Input: Consider Input: Category: LAKES & RIVERS 
Clue: It's the longest river in the world


Output: nile