Problem: How does the sentence end?

Summer camp wasn't fun for Kenneth, while Michael had a blast. This is due to
OPTIONS:
- Kenneth being an extrovert.
- Michael being an extrovert.
Answer: Michael being an extrovert.

Problem: How does the sentence end?

Lindsey's bicycle is a lot older than Felicia's, because
OPTIONS:
- Lindsey likes vintage things very much.
- Felicia likes vintage things very much.
Answer: Lindsey likes vintage things very much.

Problem: How does the sentence end?

Patricia put a large amount of insulation in their attic but Amy only put a thin layer of it.
OPTIONS:
- Patricia saved a huge amount on their power bill.
- Amy saved a huge amount on their power bill.
Answer: Patricia saved a huge amount on their power bill.

Problem: How does the sentence end?

Steven enjoyed talking on the phone but Michael didn't.
OPTIONS:
- Steven always exceeded the maximum minutes allowed.
- Michael always exceeded the maximum minutes allowed.
Answer:
Steven always exceeded the maximum minutes allowed.