Elena passed the exam while Laura failed because 
OPTIONS:
- Elena studied hard for the exam leading up to it.
- Laura studied hard for the exam leading up to it.
Elena studied hard for the exam leading up to it.

Being physically intimidating came naturally to Kayla but not Sarah because 
OPTIONS:
- Kayla was big and very muscular.
- Sarah was big and very muscular.
Kayla was big and very muscular.

The captured soldier liked the cage better than the cell, because the 
OPTIONS:
- cage was relatively distressing.
- cell was relatively distressing.
cell was relatively distressing.