[{'role': 'USR', 'utterance': 'Dad!'}
 {'role': 'SYS', 'utterance': 'Yeah, Micky.'}
 {'role': 'USR', 'utterance': 'Can I have a really good snack?'}
 {'role': 'SYS', 'utterance': "Uh, I don't know. I thinks it's ... uh ... what time's it? I think it's going on dinner."}
 {'role': 'USR', 'utterance': "Uh, it's three thirty."}
 {'role': 'SYS', 'utterance': "Three thirty. Uh ... We'd better wait. [Why, Dad?] Well, what kind of snack do you want?"}
 {'role': 'USR', 'utterance': 'Candy?'}
 {'role': 'SYS', 'utterance': 'No, candy is out. Oh, how about some broccoli? [No!] Uh, carrots? [No!] Well, what else can you suggest?'}
 {'role': 'USR', 'utterance': 'Candy.'}
 {'role': 'SYS', 'utterance': "Candy. No, I don't think ... I think You'd better wait."}
 {'role': 'USR', 'utterance': 'A sandwich? A spinach sandwich?'}
 {'role': 'SYS', 'utterance': 'Spinach sandwich? Spinach sandwich! When did you start liking spinach?'}
 {'role': 'USR', 'utterance': 'Uh, today.'}]
{'role': 'SYS', 'utterance': "Well, what about a small sandwich? [Okay] Okay, I'll whip it up in a minute. Play with your toys while you're waiting for it."}