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.

To ease the pain on his back the man used the ice instead of the heat because the
OPTIONS:
- heat was effective.
- ice was effective.
Here's how I want to continue it: ice was effective.

Problem: Continue the following story.

I chose a gun instead of a knife for defense in the fight because the
OPTIONS:
- gun is hidden.
- knife is hidden.
Here's how I want to continue it:
gun is hidden.