TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Photoautotrophs and chemoautotrophs are two basic types of autotrophs.

SOLUTION: Photoautotrophs and chemoautotrophs are two basic types of what?

PROBLEM: When the smooth muscle relaxes, the arterioles dilate, allowing blood to enter the capillaries.

SOLUTION: When the smooth muscle relaxes, the arterioles dilate, allowing blood to enter the what?

PROBLEM: Stems transport water to other parts of the plant through a system of tubes.

SOLUTION:
Which of the following best explains how stems transport water to other parts of the plant?