Problem: Continue the following story.

I couldn't put the vase in the burlap sack because the 
OPTIONS:
- sack was too tiny.
- vase was too tiny.
Here's how I want to continue it: sack was too tiny.

Problem: Continue the following story.

Erin is driving Betty to the airport in the morning to catch the flight. 
OPTIONS:
- Erin prepares by packing the suitcase.
- Betty prepares by packing the suitcase.
Here's how I want to continue it: Betty prepares by packing the suitcase.

Problem: Continue the following story.

Ian did not want Lawrence to get a pet pig because of the care it would require but 
OPTIONS:
- Ian eventually got him to give in.
- Lawrence eventually got him to give in.
Here's how I want to continue it:
Lawrence eventually got him to give in.