(Question)
Given the fact that:  The more efficient a device is, the greater the percentage of usable energy it produces.  Answer the question:   If a device were to become less efficient, it would produce more or less usable energy?
(Answer)
less


(Question)
Given the fact that:  The pupil automatically gets bigger or smaller to let more or less light in as needed.  Answer the question:   Your pupils will decrease or increase in size if you need more light to see?
(Answer)
increase


(Question)
Given the fact that:  Larger alkenes have lower boiling and melting points, so they are liquids or waxy solids at room temperature.  Answer the question:   Harry was sorting alkenes. The smallest of the bunch have lower or higher boiling points?
(Answer)
lower