Story needs to be completed:
Jason called the ambulance after Benjamin had a bad car accident because 
OPTIONS:
- Jason was worried about them.
- Benjamin was worried about them.

My choice:
Jason was worried about them.
Problem: Continue the following story.

Tanya could drink coffee black while Samantha needed creamer for theirs because 
OPTIONS:
- Tanya liked the bitterness.
- Samantha liked the bitterness.
Here's how I want to continue it: Tanya liked the bitterness.
Problem: Jason always tries to improve every situation in his life unlike William because 
OPTIONS:
- Jason has a negative mindset.
- William has a negative mindset.

My choice: William has a negative mindset.
[Q]: How does the sentence end?

Carrie didn't want to have a baby with their partner, but Mary did. 
OPTIONS:
- Carrie never took birth control to prevent pregnancy.
- Mary never took birth control to prevent pregnancy.

[A]: Mary never took birth control to prevent pregnancy.
QUES: Continue writing.

Jason was curious about how Brett became a firefighter so quickly, because 

OPTIONS:
- Jason had said the exams were difficult.
- Brett had said the exams were difficult.
+++++++++
ANS: Brett had said the exams were difficult.
QUES: Continue writing.

Joel was a romantic unlike Robert, so 

OPTIONS:
- Joel was the one that developed a crush on a fellow classmate.
- Robert was the one that developed a crush on a fellow classmate.
+++++++++
ANS:
Joel was the one that developed a crush on a fellow classmate.