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]: What is an example of protecting the environment? (A) flushing the toilet twice (B) using water flow limiter (C) driving shorter trips more often (D) using fancy, more expensive paper
[A]: B


[Q]: If a handheld cylinder is allowing people to see in the forest after dusk, then the item likely (A) needs a blanket (B) is a stone (C) hooks to outlets (D) uses knitting needles
[A]: C


[Q]: When a lake is exposed to enough heat over time (A) animals leave (B) it ceases existing (C) plants dry up (D) fish grow ill
[A]:
B