Problem: Continue the following story.

The companies had trouble buying the desks, but not the chairs, because the 
OPTIONS:
- desks were costly.
- chairs were costly.
Here's how I want to continue it: desks were costly.

Problem: Continue the following story.

The railings that I put on were much needed on the porches, because the 
OPTIONS:
- railings were safer.
- porches were safer.
Here's how I want to continue it: railings were safer.

Problem: Continue the following story.

Ellie remove the pink polish and put the blue on her nails instead, because she thought the 
OPTIONS:
- pink looked faded.
- blue looked faded.
Here's how I want to continue it:
pink looked faded.