TASK DEFINITION: Given a scientific passage and an answer, generate a question for the given answer.
PROBLEM: Passage: Solids have a fixed volume and a fixed shape. Liquids have a fixed volume but take the shape of their container. Gases take both the volume and the shape of their container. Answer: gases

SOLUTION: What takes both the shape and the volume of their container?

PROBLEM: Passage: Zinc reacting with hydrochloric acid produces bubbles of hydrogen gas. Answer: hydrogen

SOLUTION: Zinc reacting with hydrochloric acid produces bubbles of which gas?

PROBLEM: Passage: Protists are classified as animal-like, plant-like, or fungus-like. The three groups differ mainly in how they obtain carbon and energy. Answer: fungus-like

SOLUTION:
Protists are classified as animal-like, plant-like, or what else?