answer: #Person2# introduces the advantages and the sound quality of an MD player to #Person1# to persuade #Person1# into buying it.
documents: #Person1#: Why should I buy this MD player?
  #Person2#: Well, it has a lithium battery that lasts for 24 hours and it has a 160 second anti-skip mode for when you're playing sports.
  #Person1#: What else?
  #Person2#: Using MP3 mode, you can download about 10 hours of music from either your CD player, or your computer's hard disk onto one mini-disk.
  #Person1#: But how's the sound quality?
  #Person2#: You can choose from several play modes, or you can use the full-spectrum equalization, 3 D mode and Mega Bass features. We rec-ommend using it with the studio monitor headphones.
  #Person1#: Is that it?
  #Person2#: It's ultra-compact, it has a brushed, titanium metal body and a rubber shock-proof, weather-proof case with a belt clip.