Darth Vader is not a bad person

Problem

Prove that Darth Vader is not a bad person.

Solution

1. “If you like flowers, you can’t be a bad person.” (idiom)
2. Darth Vader likes flowers. (see the images below [click for larger images])
3. Therefore, Darth Vader can’t be a bad person.

Using deductive inference, the conclusion follows from the first two premises.