[Q]: How does the sentence end?

It took Aaron a long time to finish his work compared to Leslie because 
OPTIONS:
- Aaron is very hardworking.
- Leslie is very hardworking.

[A]: Leslie is very hardworking.
QUES: Continue writing.

Rebecca liked talking to Katrina about her newborn baby since 

OPTIONS:
- Rebecca was an inexperienced mother.
- Katrina was an inexperienced mother.
+++++++++
ANS: Rebecca was an inexperienced mother.
Problem: How does the sentence end?

the letter he gave us to post for him could not fit the envelope because the 
OPTIONS:
- letter was too big.
- envelope was too big.
Answer: letter was too big.
sentence: Sam was not able to use the humidifier and instead used nasal spray to soothe his nose congestion, because the  OPTIONS:
- humidifier was dirty.
- nasal spray was dirty.
complete: humidifier was dirty.
Winning a goldfish at the carnival was worth all the money to Lawrence but not Neil because 
OPTIONS:
- Lawrence liked the yellow fish.
- Neil liked the yellow fish.
Lawrence liked the yellow fish.
Problem: Continue the following story.

We removed the plants from the bathroom and added flowers, as the 
OPTIONS:
- plants were making it smell worse.
- flowers were making it smell worse.
Here's how I want to continue it:
plants were making it smell worse.