Problem: Because Erin owned a cat while Carrie owned a dog, 
OPTIONS:
- Erin needed to buy milk-bones.
- Carrie needed to buy milk-bones.

My choice: Carrie needed to buy milk-bones.
[Q]: How does the sentence end?

Christopher gave lessons to Michael , as 
OPTIONS:
- Christopher had so much piano playing knowledge and experience.
- Michael had so much piano playing knowledge and experience.

[A]: Christopher had so much piano playing knowledge and experience.
QUES: Continue writing.

Jane brushed down her hair with a brush but it is still tangled because the 

OPTIONS:
- hair is too tough.
- brush is too tough.
+++++++++
ANS: hair is too tough.
Problem: How does the sentence end?

Jen preferred wearing wool sweaters to cotton ones but the 
OPTIONS:
- wool was easier to clean.
- cotton was easier to clean.
Answer: cotton was easier to clean.
sentence: Running in a marathon suited Nelson but not Michael because  OPTIONS:
- Nelson had never practiced long distance running.
- Michael had never practiced long distance running.
complete: Michael had never practiced long distance running.
Input: Continue writing.

Adam wanted to buy his next car from an auction instead of a dealership because the 
OPTIONS:
- auction was exciting.
- dealership was exciting.

Continued:
auction was exciting.