Sentence 1: Mary was having a great day. 
 Sentence 3: Her dog had been hit by a car 
 Sentence 4:  She rushed home to deal with the news 
 Sentence 5:  By the end of the day she felt completely wiped out 
 Option 1: Suddenly she got a call delivering some awful news. 
 Option 2: Suddenly she got a call delivering some wonderful news.