Problem: How does the sentence end?

Mary bought a tank for her pet gecko to live in from the online store, but the
OPTIONS:
- gecko was too narrow.
- tank was too narrow.
Answer: tank was too narrow.

sentence: Rachel used the pink comb to brush Samantha's hair before curling it because OPTIONS:
- Rachel was a hair sylist.
- Samantha was a hair sylist.
complete: Rachel was a hair sylist.

Lawrence was thirsty and Nelson had a bottle of water, so
OPTIONS:
- Lawrence gave the bottle to them.
- Nelson gave the bottle to them.
Nelson gave the bottle to them.

Input: Continue writing.

I wanted to paint the garage, but decided it made more sense to paint the house, as the
OPTIONS:
- garage was still looking fresh from last year's coating.
- house was still looking fresh from last year's coating.

Continued: garage was still looking fresh from last year's coating.

Story needs to be completed:
Robert had a much easier time when riding horses than Logan, because
OPTIONS:
- Robert had very few lessons as a child.
- Logan had very few lessons as a child.

My choice:
Logan had very few lessons as a child.

Problem: How does the sentence end?

Mary would rather swim in the pool and not the lake because the
OPTIONS:
- pool was clean.
- lake was clean.
Answer:
pool was clean.