Logan hated working night shifts but Lawrence preferred them. 
OPTIONS:
- Logan had always suffered from insomnia.
- Lawrence had always suffered from insomnia.
Lawrence had always suffered from insomnia.

Carrie wants to learn how to drive on snow and asks for Megan's help, because 
OPTIONS:
- Carrie is an unexperienced driver.
- Megan is an unexperienced driver.
Carrie is an unexperienced driver.

Jane could not see the top of the shelf even after standing on the couch. The 
OPTIONS:
- shelf is very short.
- couch is very short.
couch is very short.