Hunter was in a lot of pain because of the fight with Justin, so 
OPTIONS:
- Hunter had to take a lot of Advil.
- Justin had to take a lot of Advil.
Hunter had to take a lot of Advil.

As such a talented artist, Laura had much to offer Sarah in learning to paint, and 
OPTIONS:
- Laura was eager to learn.
- Sarah was eager to learn.
Sarah was eager to learn.

The long flight caused Laura to fall asleep, but she was woken up by Kayla asking for a pad because 
OPTIONS:
- Laura 's period had started.
- Kayla 's period had started.
Kayla 's period had started.