Problem: How does the sentence end?

The reason that Lindsey felt heartache while Megan felt loved was because
OPTIONS:
- Lindsey was recently engaged.
- Megan was recently engaged.
Answer: Megan was recently engaged.

sentence: Patricia got a low score on their test but Laura got high score because OPTIONS:
- Patricia didn't use the proper format.
- Laura didn't use the proper format.
complete: Patricia didn't use the proper format.

Joseph went to the store and bought a blanket for Christopher to sleep with because
OPTIONS:
- Joseph was cold.
- Christopher was cold.
Christopher was cold.

Input: Continue writing.

I bought an object for my school but I wasn't able to use it, so instead I used the thing because the
OPTIONS:
- object was wrong.
- thing was wrong.

Continued: object was wrong.

Story needs to be completed:
The box could not stand on the edge like the pot did because the
OPTIONS:
- pot is balanced.
- box is balanced.

My choice:
pot is balanced.

Problem: How does the sentence end?

Erin is driving Betty to the airport in the morning to catch the flight.
OPTIONS:
- Erin prepares the car by filling the tank.
- Betty prepares the car by filling the tank.
Answer:
Erin prepares the car by filling the tank.