TASK DEFINITION: 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").
PROBLEM: a lighter object hue can lead to what? (A) none of these (B) positive charge in electricity (C) a bad electric conduction (D) ability to see yourself in it better

SOLUTION: D

PROBLEM: What is a source of oxygen through photosynthesis? (A) lakes (B) car engines (C) sunflowers (D) people

SOLUTION: C

PROBLEM: An animal that often lives in holes in the ground in fields has (A) long curly hair (B) round ears (C) four wings (D) rainbow stripes

SOLUTION:
B