TASK DEFINITION: Given a statement, generate a question such that the answer is contained in that statement.
PROBLEM: Amphibians consume animals.

SOLUTION: Who consumes animals?

PROBLEM: it's rare in geologic history when the planet gets buried in snow and ice

SOLUTION: What happens when the planet gets buried in?

PROBLEM: algae plays significant roles as food in water ecosystems

SOLUTION:
What plays a significant role as food in water ecosystems?