Ok for example, I start by saying,"Unfortunately there was a giant evil pillow on the the loose; then the next person would say...Fortunately I had a knife with me and stabbed a hole in it"
Ok lets start. Unfortunately I was being chased by an elephant...
Unfortunately that pizza contained C4 which had replaced the cheese in the cheese-stuffed crust. The C4 detonated kind of like the bomb pie at the end of that SpongeBob episode here.
Fortunately the people in question are cartoons and therefore can survive any form of pain so that their animators can milk more money out of the series for many years to come