Sentence 1: Jim was working on an elevator. 
 Sentence 3: He was injured and had to spend some time in the hospital 
 Sentence 4:  Jim made a full recovery, and went back to fixing elevators 
 Sentence 5:  He learned that rules are there to protect him, not waste time 
 Option 1: Jim was always careful and followed the safety rules. 
 Option 2: He had fixed many elevators, so he ignored safety rules to save time.