Problem: Continue the following story.

Cynthia really liked traveling for months at a time while Megan was more of a homebody. 
OPTIONS:
- Cynthia often needed to hire a house sitter.
- Megan often needed to hire a house sitter.
Here's how I want to continue it: Cynthia often needed to hire a house sitter.
Problem: Mary was hot on the tail of the spy, who they thought was Samantha. 
OPTIONS:
- Mary would not be caught.
- Samantha would not be caught.

My choice: Samantha would not be caught.
[Q]: How does the sentence end?

To forget his troubles, Kevin drank a lot of booze direct from the bottle without a glass. The 
OPTIONS:
- glass was not needed.
- bottle was not needed.

[A]: glass was not needed.
QUES: Continue writing.

The cat was nervous about living with a dog, because 

OPTIONS:
- cat always wanted to be alone.
- dog always wanted to be alone.
+++++++++
ANS: cat always wanted to be alone.
Problem: How does the sentence end?

Rebecca was instructing Katrina on how to ski because 
OPTIONS:
- Rebecca was an instructor on the mountain.
- Katrina was an instructor on the mountain.
Answer: Rebecca was an instructor on the mountain.
sentence: The expensive mandolin would not fit inside the case because the  OPTIONS:
- case was too big.
- mandolin was too big.
complete:
mandolin was too big.