Sentence 1: Klutzy Klaus hated gym class. 
 Sentence 3: Big Jock Ben yelled at him to get to back of the line 
 Sentence 4:  Klaus tripped on his own shoelaces and broke his leg 
 Sentence 5:  Klaus is secretly relieved he doesn't have to go to gym anymore 
 Given Sentence 2: He was always picked last for teams.