Input: Continue writing.

The navy moved its base from the island to the harbor, as the 
OPTIONS:
- island was an impenetrable strategic position.
- harbor was an impenetrable strategic position.

Continued: harbor was an impenetrable strategic position.


Input: Continue writing.

The toys went unsold when left on the shelves, but sold like hotcakes when put on the counters, as the 
OPTIONS:
- shelves were visible to customers.
- counters were visible to customers.

Continued: counters were visible to customers.


Input: Continue writing.

I tried to start either a cleaning or a investment business, I decided on the 
OPTIONS:
- cleaning because it required more skill.
- investment because it required more skill.

Continued: investment because it required more skill.


Input: Continue writing.

Carrie was a harder person to work with than Patricia was  because 
OPTIONS:
- Carrie was a more negative person.
- Patricia was a more negative person.

Continued:
Carrie was a more negative person.