Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

[EX Q]: Unicellular eukaryotes are protists normally.
[EX A]: What type of eukaryotes are protists normally?

[EX Q]: Zero is the net force acting on an object when two equal forces are applied from opposite directions.
[EX A]: What is the net force acting on an object when two equal forces are applied from opposite directions?

[EX Q]: Dig a well allows people to access water in an aquifer that does not flow from a spring or a geyser.
[EX A]:
How can people access water in an aquifer that does not flow from a spring or a geyser?