Story needs to be completed:
After the dentist appointment, Justin smiled bigger than Randy because 
OPTIONS:
- Justin was proud of their braces.
- Randy was proud of their braces.

My choice:
Justin was proud of their braces.
Problem: Continue the following story.

Joseph was annoyed to read Neil's screenplay, because 
OPTIONS:
- Joseph had found a lot of grammar errors in it.
- Neil had found a lot of grammar errors in it.
Here's how I want to continue it: Joseph had found a lot of grammar errors in it.
Problem: Samantha was not suited for college but Rachel was, since 
OPTIONS:
- Samantha did poorly in classes.
- Rachel did poorly in classes.

My choice: Samantha did poorly in classes.
[Q]: How does the sentence end?

Jason needed the balm but not Kenneth because 
OPTIONS:
- Jason had painless calf muscles after working out.
- Kenneth had painless calf muscles after working out.

[A]: Kenneth had painless calf muscles after working out.
QUES: Continue writing.

Randy hates the music that always plays in the elevator, unlike Michael, because 

OPTIONS:
- Randy grew up with rock not Jazz.
- Michael grew up with rock not Jazz.
+++++++++
ANS: Randy grew up with rock not Jazz.
QUES: Continue writing.

The condition of Maria was a lot worse than Jessica because 

OPTIONS:
- Maria had a curable disease.
- Jessica had a curable disease.
+++++++++
ANS:
Jessica had a curable disease.