Problem: How does the sentence end?

Although Natalie was a better cook than Emily, 
OPTIONS:
- Natalie was a genius at baking a cake.
- Emily was a genius at baking a cake.
Answer: Emily was a genius at baking a cake.

Problem: How does the sentence end?

The activity wore out Dennis while Joel was hyper afterwards. 
OPTIONS:
- Dennis lacks energy and strength.
- Joel lacks energy and strength.
Answer: Dennis lacks energy and strength.

Problem: How does the sentence end?

When Erin locked her keys in the car she called Megan for help. 
OPTIONS:
- Erin felt foolish about the keys.
- Megan felt foolish about the keys.
Answer: Erin felt foolish about the keys.

Problem: How does the sentence end?

Ian's dog looks better groomed than Eric's because 
OPTIONS:
- Ian did it at their own home.
- Eric did it at their own home.
Answer:
Eric did it at their own home.