[{'role': 'USR', 'utterance': "We've been cramming for tomorrow's history exam since early this morning. What do you say we take a break and listen to some music, okay?"}
 {'role': 'SYS', 'utterance': "Now that you mention it, I'm getting a little bumed-out from studying nonstop, too. Listening to some music for a while would suit me just fine."}
 {'role': 'USR', 'utterance': "While you're picking out a record to play, I'll grab a couple of beers out of the refrigerator."}
 {'role': 'SYS', 'utterance': 'You sure have a lot of discs here.'}
 {'role': 'USR', 'utterance': "Yeah, I've got everything from rock n'roll to the latest new - wave stuff."}]
{'role': 'SYS', 'utterance': "To tell you the truth, I'm strictly into classical music. You don't happen to have any Bach or Mozart, do you?"}