TASK DEFINITION: Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
PROBLEM: Dig a well allows people to access water in an aquifer that does not flow from a spring or a geyser.

SOLUTION: How can people access water in an aquifer that does not flow from a spring or a geyser?

PROBLEM: Group 16 is called the oxygen group.

SOLUTION: Group 16 is called what?

PROBLEM: The extensive property is a property that depends on the amount of matter in a sample.

SOLUTION:
What property is a property that depends on the amount of matter in a sample?