[Q]: How does the sentence end?

The air in the quarantine was replaced with liquid as the 
OPTIONS:
- air was clean, so we acted fast.
- liquid was clean, so we acted fast.

[A]: liquid was clean, so we acted fast.
QUES: Continue writing.

She bought the nurse outfit instead of the clown costume for Halloween because the 

OPTIONS:
- clown costume was cute.
- nurse outfit was cute.
+++++++++
ANS: nurse outfit was cute.
Problem: How does the sentence end?

Kevin used a red pen to mark the essay written by Brett; 
OPTIONS:
- Kevin offered constructive criticism.
- Brett offered constructive criticism.
Answer: Kevin offered constructive criticism.
sentence: Nick made less money than Jeffrey, so  OPTIONS:
- Nick was rich enough to own a boat.
- Jeffrey was rich enough to own a boat.
complete: Jeffrey was rich enough to own a boat.
I chose the milk chocolate bar over the dark chocolate bar for my reward because the 
OPTIONS:
- milk chocolate is smaller.
- dark chocolate is smaller.
dark chocolate is smaller.
Problem: Continue the following story.

At Cynthia's house you will find a pet dog at Rachel house you wiil find an ant-farm, 
OPTIONS:
- Cynthia likes pet mammals.
- Rachel likes pet mammals.
Here's how I want to continue it:
Cynthia likes pet mammals.