TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Compound does the precise pattern of a crystal depend on.

SOLUTION: What does the precise pattern of a crystal depend on?

PROBLEM: A mushroom is the fruiting body that occurs after two hyphae mate and form a mycelium with sporangia.

SOLUTION: What is the fruiting body that occurs after two hyphae mate and form a mycelium with sporangia?

PROBLEM: The sporophyte stage is the dominant stage of the lifecycle of a fern.

SOLUTION:
Which is the dominant stage of the lifecycle of a fern?