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...
Fortunately,the ambulance that came was hijacked by criminals on the way out, and the ambulance, now with weapons and explosives, crashes into about 8 cars on a highway.