Problem: Continue the following story.

Matthew was explaining to Joseph how to properly build a fallout shelter.
OPTIONS:
- Matthew was knowledgeable.
- Joseph was knowledgeable.
Here's how I want to continue it: Matthew was knowledgeable.

Problem: Continue the following story.

Maria bought tickets to Lima, Peru as a surprise anniversary gift for Rachel.
OPTIONS:
- Maria couldn't wait to open the gift.
- Rachel couldn't wait to open the gift.
Here's how I want to continue it: Rachel couldn't wait to open the gift.

Problem: Continue the following story.

The doctor showed that Victoria had symptoms of the disease while Katrina was fine.
OPTIONS:
- Victoria was ill.
- Katrina was ill.
Here's how I want to continue it:
Victoria was ill.