instruction:
In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
question:
Unlike trees in the forest or a pond full of fish, metal is only available until (A) it is depleted for good (B) it is found on catfish scales (C) it becomes necessary to conduct electricity long distances (D) it is used to make diamond rings
answer:
A

question:
Rain storms and blizzards can be very dangerous to drive in due to the amount of precipitation they produce, which will do what to the roads visibility? (A) make it worse (B) Make it tasty (C) make it better (D) make it hot
answer:
A

question:
What is a source of energy for animals? (A) rocks (B) plastic food (C) metal (D) nutriment
answer:
D