Sentence 1: Landon was told by his mother to walk the dog. 
 Sentence 3: He took the leash, strapped it around her neck, and took her out 
 Sentence 4:  A couple blocks away, thunder resounded and the dog became scared 
 Sentence 5:  Landon and his dog retreated back toward the safety of their house 
 Given Sentence 2: Landon absolutely detested it because people yelled at him.