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 plant needing to photosynthesize will best be able to (A) in a roofless room (B) in a cardboard box (C) in a windowless room (D) in a car with tinted windows
[EX A]: A

[EX Q]: A source of heat may come from (A) a cold shower (B) holding hands (C) holding ice (D) Antartica
[EX A]: B

[EX Q]: Portable energy is useful for (A) soda bottles (B) drool (C) cascading style sheets (D) cattle prods
[EX A]:
D