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]: Sunlight can (A) make eyes more visible (B) bounce from a rod (C) create a real problem (D) blind a garden gnome
[A]: B


[Q]: An early example of harnessing wind power would be (A) unicorns (B) santas flying reindeer (C) trumps windy speeches (D) cloth on masts
[A]: D


[Q]: At any given time on earth, some countries can be in bed and other are in the middle of the day enjoying the outdoors, why? (A) ocean tides (B) animals (C) planet rotation (D) rotation of sun
[A]:
C