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").

To have energy that will last your whole life you'd buy a (A) car battery (B) loaf of bread (C) turbine (D) tank of gas
C

A plant needs to use the roots of itself to move essential things (A) to the dirt (B) to the sky (C) to the plasma (D) to the buds
D

Where would you most likely find iron? (A) the ocean (B) the air (C) a mine (D) a forest

C