| Answer | Crossword Clue |
|---|---|
| BRITISHHUMOUR | "Fawlty Towers" is an example of it |
| OPTICALILLUSION | Escher's "Relativity" is an example of it |
| RUNON | This is an example of one it certainly is |
| IRONY | "A free ride when you've already paid" is an example of it, according to Alanis Morissette |
