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").

Which two forces are likely the cause of canyons? (A) water plus fire (B) fire and brimstone (C) water plus gravity (D) H20 and lemmings
C

Which sustains life yet stopped growing? (A) air (B) a bush (C) a rock (D) a felled tree
D

which of these would help a person walk through a dark basement? (A) a dead military torchlight (B) a blown out electric lamp (C) an oil lantern without oil (D) a candle and a matchstick

D