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").

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


[Q]: an area of low-lying ground near to a river is at risk of (A) over fishing (B) balloon landings (C) droughts (D) H20 accumulation
[A]: D


[Q]: What causes a chemical reaction? (A) mixing and heating edible items (B) putting water in a bowl (C) petting a small cat (D) rolling a ball on a floor
[A]:
A