Problem: Continue the following story.

Patricia eventually had to have an artificial hip put in, unlike Rachel, because 
OPTIONS:
- Patricia had bad joints.
- Rachel had bad joints.
Here's how I want to continue it: Patricia had bad joints.
Problem: Playing Scrabble is fun for Joel but not Hunter because 
OPTIONS:
- Joel knows a lot of simple words.
- Hunter knows a lot of simple words.

My choice: Hunter knows a lot of simple words.
[Q]: How does the sentence end?

I used metal for the chair and not wood because the 
OPTIONS:
- wood was a more stable material.
- metal was a more stable material.

[A]: metal was a more stable material.
QUES: Continue writing.

Michael is a very talented singer unlike Robert because 

OPTIONS:
- Michael took sports lessons when he was younger.
- Robert took sports lessons when he was younger.
+++++++++
ANS: Robert took sports lessons when he was younger.
Problem: How does the sentence end?

Erin loves the taste of chocolate but Kayla does not. 
OPTIONS:
- Erin ordered a big slice of chocolate cake.
- Kayla ordered a big slice of chocolate cake.
Answer: Erin ordered a big slice of chocolate cake.
sentence: The doctor diagnosed Justin with bipolar and Robert with anxiety.  OPTIONS:
- Justin had terrible nerves recently.
- Robert had terrible nerves recently.
complete:
Robert had terrible nerves recently.