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").

A telescope uses what to redirect light (A) money (B) shiny glass (C) lasers (D) people
B

What's usually hot in temperature? (A) the Sahara (B) Minnesota (C) Alaska (D) corpses
A

Which would be a source of pollutants? (A) cars (B) oceans (C) glaciers (D) storms

A