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.

[Q]: Category: A TRIP TO MARS 
Clue: Arnold arduously activates an ancient atmosphere appliance in this 1990 Martian big screen adventure
[A]: total recall


[Q]: Category: "D" IN SCIENCE 
Clue: Sharks first inhabited the waters during this period of the Paleozoic era named for an English county
[A]: devonian


[Q]: Category: THE BIBLE 
Clue: God told Moses to place the 10 Commandments in this container
[A]:
the ark of the covenant