Problem: How does the sentence end?

Nelson had an easy time writing stories but Joel struggled with it. 
OPTIONS:
- Nelson had taken creative writing classes at the local community college.
- Joel had taken creative writing classes at the local community college.
Answer: Nelson had taken creative writing classes at the local community college.
sentence: Exam time always sent the fraternities and not the sororities into a tail spin as the  OPTIONS:
- sororities were never prepared.
- fraternities were never prepared.
complete: fraternities were never prepared.
Jim wanted to get rid of the rosacea with a prescription but the 
OPTIONS:
- rosacea is too weak.
- prescription is too weak.
prescription is too weak.
Input: Continue writing.

Natalie was hired to install a new wall for Monica because 
OPTIONS:
- Natalie is the employer.
- Monica is the employer.

Continued: Monica is the employer.
Story needs to be completed:
The bissel couldn't clean the carpet, so we used the vacuum instead.  The 
OPTIONS:
- bissel was on top of the challenge.
- vacuum was on top of the challenge.

My choice:
vacuum was on top of the challenge.
Problem: How does the sentence end?

Elena commands more attention than Erin since 
OPTIONS:
- Elena is often quite loud with a large social circle.
- Erin is often quite loud with a large social circle.
Answer:
Elena is often quite loud with a large social circle.