Story needs to be completed:
Contracting the virus was a major concern of Jennifer but not Amy, because 
OPTIONS:
- Jennifer had a weakened immune system.
- Amy had a weakened immune system.

My choice:
Jennifer had a weakened immune system.
Problem: Continue the following story.

Natalie thinks emeralds are beautiful gems but Betty does not. 
OPTIONS:
- Natalie bought a necklace featuring a big emerald.
- Betty bought a necklace featuring a big emerald.
Here's how I want to continue it: Natalie bought a necklace featuring a big emerald.
Problem: Leslie smells better than Jeffrey usually due to 
OPTIONS:
- Leslie taking a shower every single day.
- Jeffrey taking a shower every single day.

My choice: Leslie taking a shower every single day.
[Q]: How does the sentence end?

Matthew liked to wear high fashion clothing while Joel liked to shoot it; 
OPTIONS:
- Matthew was a photographer.
- Joel was a photographer.

[A]: Joel was a photographer.
QUES: Continue writing.

James and his family  wanted to be in the meeting by car on time but the 

OPTIONS:
- car was postponed .
- meeting was postponed .
+++++++++
ANS: meeting was postponed .
QUES: Continue writing.

The shop owner tried to put the sign on the window but the 

OPTIONS:
- sign was too large.
- window was too large.
+++++++++
ANS:
sign was too large.