Story needs to be completed:
Rachel was nervous about the injection, so Jessica gave her a stress ball to squeeze. 
OPTIONS:
- Rachel was the patient.
- Jessica was the patient.

My choice:
Rachel was the patient.
Problem: Continue the following story.

Randy had much better experience incubating eggs than Justin ever did, so 
OPTIONS:
- Randy hatched healthy chickens.
- Justin hatched healthy chickens.
Here's how I want to continue it: Randy hatched healthy chickens.
Problem: Lindsey liked the marketing consultant, but Sarah could see through the facade. 
OPTIONS:
- Lindsey was naturally a trusting person.
- Sarah was naturally a trusting person.

My choice: Lindsey was naturally a trusting person.
[Q]: How does the sentence end?

While Robert was clumsy, Samuel had nimble hands so 
OPTIONS:
- Robert was worse at needling felt.
- Samuel was worse at needling felt.

[A]: Robert was worse at needling felt.
QUES: Continue writing.

At the interview, Samuel provided a CV and spoke enthusiastically to Christopher about the job, and 

OPTIONS:
- Samuel answered questions.
- Christopher answered questions.
+++++++++
ANS: Samuel answered questions.
QUES: Continue writing.

Randy suffered from more headaches than Samuel because 

OPTIONS:
- Randy spent a lot of nights drinking alcohol.
- Samuel spent a lot of nights drinking alcohol.
+++++++++
ANS:
Randy spent a lot of nights drinking alcohol.