Q: Fact 1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants. Fact 2: Ethanol is a fuel made of corn. Given the two facts above, what can be used to make fuel?

Options are: (I) heat energy. (II) fermentation. (III) burning coal. (IV) destruction. (V) prayer. (VI) Wishful thinking. (VII) gasoline. (VIII) Chemical energy.
The answer is:
(II)