[Q]: How does the sentence end?

Matthew had always wanted a doberman but Nick wanted a poodle because
OPTIONS:
- Matthew liked small dogs.
- Nick liked small dogs.

[A]: Nick liked small dogs.

QUES: Continue writing.

Erin went bankrupt quickly while Laura prospered, as

OPTIONS:
- Erin was incompetent at doing business.
- Laura was incompetent at doing business.
+++++++++
ANS: Erin was incompetent at doing business.

Problem: How does the sentence end?

The janitor wanted to put the garbage in the bag but the
OPTIONS:
- garbage was too small.
- bag was too small.
Answer: bag was too small.

sentence: The emerald was bigger than the ruby so the OPTIONS:
- emerald was the more affordable gem.
- ruby was the more affordable gem.
complete: ruby was the more affordable gem.

Jennifer's husband is cheating on her again, and Katrina's is still faithful.
OPTIONS:
- Jennifer stays married.
- Katrina stays married.
Katrina stays married.

Problem: Continue the following story.

There was blood all over the floor, but the curtain was clean, so the investigators assumed the murderer avoided the
OPTIONS:
- floor to commit his crime.
- curtain to commit his crime.
Here's how I want to continue it:
curtain to commit his crime.