[Q]: How does the sentence end?

Kenneth asked Brian to purchase them a bus ticket to New York because 
OPTIONS:
- Kenneth was broke.
- Brian was broke.

[A]: Kenneth was broke.
QUES: Continue writing.

Elena has a much harder time being healthy than Amy because 

OPTIONS:
- Elena struggles with junk food.
- Amy struggles with junk food.
+++++++++
ANS: Elena struggles with junk food.
Problem: How does the sentence end?

Mary worked out constantly but Kayla hardly ever works out. 
OPTIONS:
- Mary has a lot of stamina.
- Kayla has a lot of stamina.
Answer: Mary has a lot of stamina.
sentence: Adam was having a lot of problems during their pregnancy while Brian was getting on well.  OPTIONS:
- Adam had a lot of issues with nausea.
- Brian had a lot of issues with nausea.
complete: Adam had a lot of issues with nausea.
Dennis was envious of Lawrence because they were buying their first home. 
OPTIONS:
- Dennis did not have a good job so they were not able to buy a house now.
- Lawrence did not have a good job so they were not able to buy a house now.
Dennis did not have a good job so they were not able to buy a house now.
Problem: Continue the following story.

Cynthia enjoyed the indoors much more than Felicia so 
OPTIONS:
- Cynthia stayed inside the house all day.
- Felicia stayed inside the house all day.
Here's how I want to continue it:
Cynthia stayed inside the house all day.