Problem: How does the sentence end?

The mother wouldn't let baby crawl with his bare skin on the floor because the 
OPTIONS:
- floor was too smooth.
- skin was too smooth.
Answer: skin was too smooth.

Problem: How does the sentence end?

John replaced all the halogen bulbs with LED bulbs because the 
OPTIONS:
- halogen bulbs consume less energy.
- LED bulbs consume less energy.
Answer: LED bulbs consume less energy.

Problem: How does the sentence end?

Erin admired Betty 's talent so 
OPTIONS:
- Erin offered to cast her for the starring role in her show.
- Betty offered to cast her for the starring role in her show.
Answer: Erin offered to cast her for the starring role in her show.

Problem: How does the sentence end?

Erin combined their efforts with Amy's parents to help them, but 
OPTIONS:
- Erin refused to stop doing drugs.
- Amy refused to stop doing drugs.
Answer:
Amy refused to stop doing drugs.