Problem: How does the sentence end?

Lindsey's stash of gold is a lot bigger than Victoria's because 
OPTIONS:
- Lindsey happens to be a poor man.
- Victoria happens to be a poor man.
Answer: Victoria happens to be a poor man.
sentence: Yvonne preferred to draw a train instead of a house, because drawing the  OPTIONS:
- train was difficult.
- house was difficult.
complete: house was difficult.
It didn't occur to Joseph to download the social media apps, unlike Kyle, because 
OPTIONS:
- Joseph had many good friends.
- Kyle had many good friends.
Kyle had many good friends.
Input: Continue writing.

Laura was constantly bothering Lindsey and annoying them, so 
OPTIONS:
- Laura called them out on this behavior.
- Lindsey called them out on this behavior.

Continued: Lindsey called them out on this behavior.
Story needs to be completed:
In the summer it can be tough to maintain the water in the swimming pool. Sometimes the 
OPTIONS:
- swimming pool gets dirty and needs scrubbing with a brush.
- water gets dirty and needs scrubbing with a brush.

My choice:
swimming pool gets dirty and needs scrubbing with a brush.
Problem: How does the sentence end?

I bought a new pipe, but it didn't fit into the socket, because the 
OPTIONS:
- pipe was too skinny.
- socket was too skinny.
Answer:
socket was too skinny.