TASK DEFINITION: Given a statement, generate a question such that the answer is contained in that statement.
PROBLEM: Pedigrees are useful tools for studying heredity.

SOLUTION: Pedigrees are useful tools for studying what?

PROBLEM: Plants are at the base of food webs

SOLUTION: What are at the base of food webs?

PROBLEM: weather can change a planet's conditions

SOLUTION:
What can change a planet's conditions?