Sentence 1: Lydia was listening to an old CD her boyfriend had burned for her. 
 Sentence 3: She had lost track of her thoughts and was enjoying the music 
 Sentence 4:  Suddenly, the CD skipped out and stopped playing 
 Sentence 5:  Lydia tried to fix it but the CD had a huge scratch 
 Option 1: Her CD player was old but still working alright. 
 Option 2: She hated the music but loved him.