[Q]: How does the sentence end?

The baseball game was close to being tied up by Rebecca but not Sarah because 
OPTIONS:
- Rebecca ran very slow.
- Sarah ran very slow.

[A]: Sarah ran very slow.
QUES: Continue writing.

The dog would only sleep on the bed and not the sofa because the 

OPTIONS:
- bed was too firm.
- sofa was too firm.
+++++++++
ANS: sofa was too firm.
Problem: How does the sentence end?

Neil won the painting at the silent auction while Justin lost out, because 
OPTIONS:
- Neil placed a higher bid.
- Justin placed a higher bid.
Answer: Neil placed a higher bid.
sentence: The dentist scolded Natalie for not flossing but did not scold Emily because  OPTIONS:
- Natalie had bad breath.
- Emily had bad breath.
complete: Natalie had bad breath.
Randy sang terribly but loved listening to Logan who had had many lessons to sing beautifully. The trained singer was 
OPTIONS:
- Randy .
- Logan .
Logan .
Problem: Continue the following story.

I loved the procedure that I had in South America more than the treatment I had in Denver, because the 
OPTIONS:
- procedure was more expensive.
- treatment was more expensive.
Here's how I want to continue it:
treatment was more expensive.