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").

[EX Q]: A filament that is in a glass container will be this when a switch is flipped to cause glass to glow: (A) dark (B) toasty (C) cold (D) icy
[EX A]: B

[EX Q]: With more people eating cereal there comes a need for more (A) butter (B) top soil (C) water (D) corn
[EX A]: D

[EX Q]: Which of the following reasons would an angler fish use a light? (A) attracting researchers (B) attracting humans (C) attracting predators (D) attracting sardines
[EX A]:
D