When you switch the television off at night, do you…
a) Switch it off properly at the plug?
b) Leave it on stand-by, thus burning up energy?
c) Throw it out of the window of your high-rise hotel before embarking on a drug-fuelled orgy with a dozen groupies?
What is a Sumatran tiger?
a) An endangered species.
b) An aphrodisiac. You harvest the penis and throw the rest away.
c) I know this one. I know this one. Don't tell me…