Sentence 1: Susan loves to ride her horse on the nearby trails. 
 Sentence 3: Susan's horse spooked at a squirrel that ran across their path 
 Sentence 4:  Susan fell off of her horse and cut her head 
 Sentence 5:  Susan needed stitches to close the cut on her head 
 Option 1: Sarah never forgot her helmet. 
 Option 2: On her most recent ride, Susan forgot her helmet.