Problem: Continue the following story.

The janitor tried to clean the streak on the glass with a cleaner but had no luck because the 
Here's how I want to continue it: cleaner was too weak.

Problem: Continue the following story.

I bought a new oven, but it didn't fit in the space in the kitchen, because the 
Here's how I want to continue it: oven was too wide.

Problem: Continue the following story.

Tracking steps was essential for Monica but unimportant to Natalie since 
Here's how I want to continue it:
Natalie was apathetic about their fitness level.