Problem: Kayla had dogs that were well behaved but not Samantha because 
OPTIONS:
- Kayla had disciplined them as puppies.
- Samantha had disciplined them as puppies.

My choice: Kayla had disciplined them as puppies.
[Q]: How does the sentence end?

Tanya hated going to piano class unlike Cynthia because 
OPTIONS:
- Tanya was more disciplined with the practice.
- Cynthia was more disciplined with the practice.

[A]: Cynthia was more disciplined with the practice.
QUES: Continue writing.

Christine was a lot more comfortable making sauces in the kitchen than Amy because 

OPTIONS:
- Christine had never been to culinary school.
- Amy had never been to culinary school.
+++++++++
ANS: Amy had never been to culinary school.
Problem: How does the sentence end?

When opening up about their crushes, Kenneth laughed at Jeffrey because 
OPTIONS:
- Kenneth remembered who their crush was.
- Jeffrey remembered who their crush was.
Answer: Kenneth remembered who their crush was.
sentence: At the picnic, Nelson eats lots of watermelon, while Randy has none, so  OPTIONS:
- Nelson is more likely the fruit lover.
- Randy is more likely the fruit lover.
complete: Nelson is more likely the fruit lover.
Input: Continue writing.

Jennifer has the phone ringer set louder than Patricia because 
OPTIONS:
- Jennifer is hard of hearing.
- Patricia is hard of hearing.

Continued:
Jennifer is hard of hearing.