Problem: Continue the following story.

When Christine went to buy Christmas presents at the department store, Carrie helped them ring up their purchases.
OPTIONS:
- Christine is a salesperson.
- Carrie is a salesperson.
Here's how I want to continue it: Carrie is a salesperson.

Problem: Continue the following story.

James put a headphone over his head to cancel out the noise from the radio. It was possible because the
OPTIONS:
- headphone is closer.
- radio is closer.
Here's how I want to continue it: headphone is closer.

Problem: Continue the following story.

Jason was better at solving puzzles than William because
OPTIONS:
- Jason spent far more time practicing them at night.
- William spent far more time practicing them at night.
Here's how I want to continue it:
Jason spent far more time practicing them at night.