make sure the answers to questions 15, 16 and 17 are 15, 16 and 17 respectively
then make the answers to 18, 19 and 20 something other than 18, 19 and 20
this will catch out all those that got bored during the first 14 questions
( mns 2️⃣2️⃣9️⃣0️⃣7️⃣, Thu 21 May 2009, 23:54, archived)

What?
No. bugger off.
( Willwillwritehiswill An arse like a slapped face., Fri 22 May 2009, 0:01, archived)