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

Cell -> tissue -> organ -> organ system sequence represents the correct levels of organization for multicellular organisms.
Which sequence represents the correct levels of organization for multicellular organisms?

In machines that increase force, such as ramps and doorknobs and nutcrackers, output is greater is the relation between output and input force.
In machines that increase force, such as ramps and doorknobs and nutcrackers, what is the relation between output and input force?

A normal human liver cell has 23 pairs of chromosomes.

Which of the following best describes the number of chromosomes in a normal human liver cell?