Problem: Mary has taken a karate class, but Rachel never has, so 
OPTIONS:
- Mary is the one who is better at defending himself.
- Rachel is the one who is better at defending himself.

My choice: Mary is the one who is better at defending himself.
[Q]: How does the sentence end?

Amy grilled the roasted pickles and fish meal for Sarah's dinner because 
OPTIONS:
- Amy was a customer.
- Sarah was a customer.

[A]: Sarah was a customer.
QUES: Continue writing.

Kenneth favored alternative medicine, but Michael only believed in modern medicine. 

OPTIONS:
- Kenneth was a new-age hippie.
- Michael was a new-age hippie.
+++++++++
ANS: Kenneth was a new-age hippie.
Problem: How does the sentence end?

Kenneth tries to always think positive compared to Michael because 
OPTIONS:
- Kenneth is a very optimistic person.
- Michael is a very optimistic person.
Answer: Kenneth is a very optimistic person.
sentence: Christine was much more skilled at surgery than Erin so  OPTIONS:
- Christine offered to neuter the dog.
- Erin offered to neuter the dog.
complete: Christine offered to neuter the dog.
Input: Continue writing.

Scott wanted to buy a new doll for his daughter after his next paycheck, but the 
OPTIONS:
- doll was too expensive.
- paycheck was too expensive.

Continued:
doll was too expensive.