Story needs to be completed:
The miscarriage caused Amy to feel depressed while Sarah stayed positive. 
OPTIONS:
- Amy was naturally an optimist.
- Sarah was naturally an optimist.

My choice:
Sarah was naturally an optimist.
Problem: Continue the following story.

Betty was able to hold the pigeon longer than Angela because 
OPTIONS:
- Betty is scared of birds.
- Angela is scared of birds.
Here's how I want to continue it: Angela is scared of birds.
Problem: Mary soothed Rachel because 
OPTIONS:
- Mary was so angry by the story that was told that night.
- Rachel was so angry by the story that was told that night.

My choice: Rachel was so angry by the story that was told that night.
[Q]: How does the sentence end?

Maria forced Rebecca to sign their will at gunpoint, so that 
OPTIONS:
- Maria would give them all the money.
- Rebecca would give them all the money.

[A]: Rebecca would give them all the money.
QUES: Continue writing.

Benjamin loved to have an audience while speaking while Jeffrey was shy. 

OPTIONS:
- Benjamin was extroverted.
- Jeffrey was extroverted.
+++++++++
ANS: Benjamin was extroverted.
QUES: Continue writing.

Katrina's fish caught a fungal infection, so she asked an employee at the pet store, Lindsey, what to do. 

OPTIONS:
- Katrina ended up selling her a fungal treatment.
- Lindsey ended up selling her a fungal treatment.
+++++++++
ANS:
Lindsey ended up selling her a fungal treatment.