Sentence 1: Jill was riding horses with her family. 
 Sentence 3: Suddenly, the horse was spooked 
 Sentence 4:  The horse threw Jill and she hit a tree 
 Sentence 5:  Jill was knocked unconscious and was rushed to the ER 
 Option 1: The horse started to pick up speed. 
 Option 2: She raced them and won.