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: SUPERHEROES 
Clue: For a while the Hulk was gray, but now he's this color

Output: green


Input: Consider Input: Category: NEW ZEALAND 
Clue: New Zealand leads the world in the production of this fruit also known as the Chinese gooseberry

Output: kiwi fruit


Input: Consider Input: Category: PATENTS 
Clue: 1866: Haven & Hettrich's whirligig, better known now as this stringed toy


Output: a yo-yo