instruction:
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.
question:
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
answer:
the great wall of china


question:
Category: NEW SUPERHEROES & VILLAINS 
Clue: So strong an NBA Award is named for him, in a time of crisis, he's the first reserve off the bench; make way for the...
answer:
sixth man


question:
Category: THE RULES OF THE GAMES 
Clue: It's a perfect score in a gymnastics event
answer:

10