Sentence 1: After leaving the restaurant, Maria called her boyfriend back. 
 Sentence 3: He told Maria that he was coming home early because of the fire 
 Sentence 4:  Maria said she was on her way home as well 
 Sentence 5:  Maria said goodbye and walked home to her house 
 Option 1: Maria's boyfriend said that there had been a fire sale at his work. 
 Option 2: Maria's boyfriend said that there had been a fire at his work.