Sentence 1: I stayed after-school and needed a ride home. 
 Sentence 3: After an hour, I decided to walk home 
 Sentence 4:  The walk home lasted about 2-3 hours 
 Sentence 5:  When I got home, my mom was furious 
 Option 1: I called my mom but she got into an accident while driving. 
 Option 2: I called my mom and she said that she's on her way.