The employees went on strike because the business wouldn't pay them more even though the 
OPTIONS:
- business were poor.
- employees were poor.
employees were poor.

Since Matthew studied physics while Ian studied English, 
OPTIONS:
- Matthew knew a lot about English literature.
- Ian knew a lot about English literature.
Ian knew a lot about English literature.

Parenting a child was natural for Cynthia but not Jennifer because 
OPTIONS:
- Cynthia children were very bad.
- Jennifer children were very bad.
Jennifer children were very bad.