instruction:
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").
question:
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
answer:
A

question:
What is undesirable in a vegetable garden? (A) tomatoes (B) green peppers (C) corn (D) dandelions
answer:
D

question:
Wax is on some plant leaves for what reason? (A) stay moist for warm weather (B) keep water available for predators (C) keep the hydration inside (D) creation of toxins in the cells
answer:
C