Problem: Continue the following story.

The new brown rabbit cage bill purchased for his son would not fit inside the car, the 
Here's how I want to continue it: car was too tiny.

Problem: Continue the following story.

we replaced the bed with a mattress because space was limited in the bedroom, the 
Here's how I want to continue it: bed was vast.

Problem: Continue the following story.

The relationship of my friend was  more special than my marriage because the 
Here's how I want to continue it:
marriage was one-sided.