Problem: How does the sentence end?

We used polish on the vase but not on the silverware, since we wanted the 
OPTIONS:
- vase to be shiny.
- silverware to be shiny.
Answer: vase to be shiny.
sentence: The basketball player bought some new balls, but he didn't need new shoes. The  OPTIONS:
- balls he had were falling apart.
- shoes he had were falling apart.
complete: balls he had were falling apart.
The process this year took longer than the investigation last year, because the 
OPTIONS:
- process was more involved.
- investigation was more involved.
process was more involved.
Input: Continue writing.

The bed could not be covered with the towel without exposing some part of it. The 
OPTIONS:
- bed is small.
- towel is small.

Continued: towel is small.
Story needs to be completed:
They wanted that apartment in the city centre but bought a small apartment in the downtown instead, because the 
OPTIONS:
- apartment in the city centre is less expensive.
- small apartment in the downtown is less expensive.

My choice:
small apartment in the downtown is less expensive.
Problem: How does the sentence end?

The field was full of wildlife at dawn, but was empty by dusk, as the 
OPTIONS:
- dawn was a more hostile climate.
- dusk was a more hostile climate.
Answer:
dusk was a more hostile climate.