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, we managed to stuff the connecting corridor with extra hazmat suits, thereby blocking out the radiation. And there's another door to the greenhouse, so nobody gets to pull that card.
Fortunately, the collapse was so slow, the dust in the atmosphere would settle before it collapsed. Then the humans could simply walk out and plant their crops in the land.
Fortunately, with the DeRadiationifier™, we can get rid of radiation! How? Of course, by speeding up radioactive decay! That's a good thing, right? RIGHT!?
Fortunately, humans hibernated majority of the population to avoid starvation, they have time. And what do you know? Now they also have a lot of meat in the freezer.