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 consistency, answers should be in all lower cased letters.

Input: Consider Input: Category: IT'S NOT SO 
Clue: Though 4,500 miles long, it's not visible from space, as its materials are similar in color to the surrounding soil

Output: the great wall of china


Input: Consider Input: Category: FILE UNDER "S" 
Clue: Head & Shoulders, Agree, & Pert Plus are leading types of these

Output: shampoos


Input: Consider Input: Category: GO FOR THE JUGGLER 
Clue: Margarita Ayala & her daughters are famous for juggling flaming torches while hanging by this


Output: their hair