Problem: Continue the following story.

The pharmacist said to store the medicine in a dark place because the 
Here's how I want to continue it: medicine would degrade when exposed to light.

Problem: Continue the following story.

Concerned the food would cause stains, the woman put an apron over her shirt, because the 
Here's how I want to continue it: apron was disposable.

Problem: Continue the following story.

When the blizzard made everything frozen, Hunter played in the snow while Adam stayed inside because 
Here's how I want to continue it:
Hunter was an adventurous person.