story: Martha and her family climbed into a car to begin a long trip. When they began to drive, Martha felt uncomfortable. She began to feel waves of nausea and dizziness. She asked her father to pull over and she threw up outside the car. After throwing up, she felt better and they continued driving.
 selected sentence: When they began to drive, Martha felt uncomfortable.
Martha feel(s) nauseous >Motivates> Martha feels uncomfortable