Before pouring the cement, Jason wanted to teach William how to pour it so 
OPTIONS:
- Jason could practice teaching it.
- William could practice teaching it.
Jason could practice teaching it.

Rebecca poked fun at Katrina at school all the time, because 
OPTIONS:
- Rebecca is such a horrible person.
- Katrina is such a horrible person.
Rebecca is such a horrible person.

Maria got a new macbook and asks for Kayla's advice on using it, because 
OPTIONS:
- Maria has a lot of experience with macbooks.
- Kayla has a lot of experience with macbooks.
Kayla has a lot of experience with macbooks.