premise:  Grandma decided to go on the roller coaster with us. Although the roller coaster didn't move yet, she was scared. I tried to calm her down throughout the ride, but she wasn't relaxed. In addition, she screamed when the roller-coaster went down the peak. Before getting out, she took a few minutes to breathe.
hypothesis:  Grandma decided never to go on the roller coaster again ends after she take a few minutes to breathe 