[Q]: How does the sentence end?

Monica frequently avoided hanging out with Tanya, because 
OPTIONS:
- Monica was an egocentric who just wanted to be invasive.
- Tanya was an egocentric who just wanted to be invasive.

[A]: Tanya was an egocentric who just wanted to be invasive.
QUES: Continue writing.

The torso of Ian is small when it is compared to Eric's. This is due to 

OPTIONS:
- Ian working in an office all day.
- Eric working in an office all day.
+++++++++
ANS: Ian working in an office all day.
Problem: How does the sentence end?

Because Betty learned French in school but Kayla grew up in France, 
OPTIONS:
- Betty spoke fluent French.
- Kayla spoke fluent French.
Answer: Kayla spoke fluent French.
sentence: I used the cream on my belly but not on my face because the  OPTIONS:
- face was more sensitive.
- belly was more sensitive.
complete: face was more sensitive.
Despite multiple diets, Logan remains large while Ian kept  getting slimmer, which makes 
OPTIONS:
- Logan feel like a failure.
- Ian feel like a failure.
Logan feel like a failure.
Problem: Continue the following story.

The twin's birthday was coming up. They had asked for gifts of books instead of toys. The 
OPTIONS:
- toys would cause the children to be creative.
- books would cause the children to be creative.
Here's how I want to continue it:
books would cause the children to be creative.