Riddle

Put into a pit, locked beneath a grate, guarded through the night, yet it still goes out.

Choose an answer

A.Prisoner
B.Treasure
C.Ember
D.Fire
Hint: It's a word with 4 letters, starting with "F".

Answer

Fire

Why this is the answer

A fire is built in a pit, covered by a metal grate, and watched overnight -- yet it eventually "goes out," playing on the double meaning of extinguishing versus escaping.

This riddle is filed under Hard/Difficult Riddles and rated Medium.