You are given a sentence and your task is to generate another sentence that supports the given input.

[EX Q]: evaporation ---process by which water is changed from a liquid into a vapor.
[EX A]: When liquid water changes to water vapor it is called evaporation.

[EX Q]: A saturated fatty acid has the maximum possible number of hydrogen atoms attached to every carbon atom.
[EX A]: Carbon atoms are bonded to as many hydrogen atoms as possible in saturated fatty acids.

[EX Q]: A concave lens is thinner in the middle than it is near its edges.
[EX A]:
A concave lens is thicker at the edges than it is in the middle.