Problem: Continue the following story.

The bissel couldn't clean the carpet, so we used the vacuum instead.  The 
OPTIONS:
- bissel was on top of the challenge.
- vacuum was on top of the challenge.
Here's how I want to continue it: vacuum was on top of the challenge.

Problem: Continue the following story.

When I had a migraine, I took the pills instead of the capsules because the 
OPTIONS:
- capsules worked great.
- pills worked great.
Here's how I want to continue it: pills worked great.

Problem: Continue the following story.

Rebecca but not Erin needed to use a coccyx cushion, because 
OPTIONS:
- Rebecca experienced tailbone pain while sitting.
- Erin experienced tailbone pain while sitting.
Here's how I want to continue it:
Rebecca experienced tailbone pain while sitting.