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: wind is used for producing (A) cupcakes (B) smores (C) excited particle flowing (D) plants

SOLUTION: C

PROBLEM: An example of an electrical circuit running properly would be (A) dimming lights (B) swimming in pools (C) running outside (D) riding bikes

SOLUTION: A

PROBLEM: Why would something appear blue? (A) it reflects the same wavelength as fire (B) it reflects the same wavelength as coal (C) it reflects the same wavelength as the sun (D) it reflects the same wavelength as the sea

SOLUTION:
D