TASK DEFINITION: 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.
PROBLEM: Category: ON THE ROCKS 
Clue: This rock formed from hardened lava formed the Hawaiian Islands

SOLUTION: basalt

PROBLEM: Category: "FIRST" CHRONICLES 
Clue: There is reddening of the epidermis but no blistering in this

SOLUTION: a first-degree burn

PROBLEM: Category: NATURE 
Clue: In the 1940s zoologist Karl von Frisch discovered that bees use this as a compass

SOLUTION:
sun