Problem: Continue the following story.

When Tanya's dog ran away, Mary helped look for the dog. 
OPTIONS:
- Tanya was very thankful.
- Mary was very thankful.
Here's how I want to continue it: Tanya was very thankful.

Problem: Continue the following story.

The woman covered the carpet in the living room with a rug, because the 
OPTIONS:
- carpet was clean.
- rug was clean.
Here's how I want to continue it: rug was clean.

Problem: Continue the following story.

It is more dangerous to eat yogurt with a knife rather than a spoon, because the 
OPTIONS:
- knife won't slip and cut you.
- spoon won't slip and cut you.
Here's how I want to continue it:
spoon won't slip and cut you.