Sentence 1: Pat had a song stuck in her head all day. 
 Sentence 3: When her mind when blank she heard the song 
 Sentence 4:  She tried to listen to the radio until the song was flushed out 
 Sentence 5:  After a few country songs she forgot all about the first one 
 Given Sentence 2: She tried to ignore it but it wouldn't go away.