[{'role': 'USR', 'utterance': 'Has the game started yet?'}
 {'role': 'SYS', 'utterance': 'Yeah, about 5 minutes ago.'}
 {'role': 'USR', 'utterance': "Who's winning?"}
 {'role': 'SYS', 'utterance': 'The Bulls, of course!'}
 {'role': 'USR', 'utterance': "What! That wasn't a foul! C'mon, ref!"}
 {'role': 'SYS', 'utterance': "Don't worry, Shan always screws up free throws."}
 {'role': 'USR', 'utterance': "You were right! He didn't make the shot!"}]
{'role': 'SYS', 'utterance': 'That was a great shot! A three pointer, yeah!'}