Sentence 1: The radio DJ asked his audience to make request for songs. 
 Sentence 3: The DJ laughed because it was June and that is a silly request 
 Sentence 4:  The man tried to convince the DJ to play it by singing a few bars 
 Sentence 5:  The DJ appreciated the enthusiasm so much he played the song 
 Given Sentence 2: A man called and demanded he play the Monster Mash.