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").

Teak can be found in (A) glacier sheets (B) blue songs (C) groves (D) underwater trenches
C

A person wants their yard to be a wonderful ecosystem for local wildlife. They consider doing a few things in order to facilitate this, but ultimately decide that the best way to make a great impact is to (A) make some more money (B) plant a wet rope (C) plant a blue spruce (D) sing to their flowers
C

Controlled burns help prevent wildfires by cleaning up (A) dead foliage (B) animal droppings (C) wasp nests (D) air pollution

A