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").

[EX Q]: If a person restores a garden complete with oaks, then they have replaced (A) concrete (B) jelly (C) steam (D) a resource
[EX A]: D

[EX Q]: speed is a measure of how fast all these move but (A) a person waiting (B) a fish swimming (C) a dog running (D) a bird flying
[EX A]: A

[EX Q]: Taking shorter showers leads to (A) water shortages for the local environment (B) increased energy consumption by the water heater (C) an empty water heater (D) less energy used by the water heater
[EX A]:
D