[{'role': 'USR', 'utterance': 'Hey. Can you give me a hand with the groceries? And I told you I could do the shopping.'}
 {'role': 'SYS', 'utterance': 'Wow! Do we really need all this stuff? Let me see that receipt.'}
 {'role': 'USR', 'utterance': 'Hey, I only bought the essentials.'}
 {'role': 'SYS', 'utterance': "Okay. Let's see. Dog food. Twenty-four dollars and seventy cents ($24.70)? We don't even have a dog!"}
 {'role': 'USR', 'utterance': 'Well, it WAS going to be a surprise, but look in the back of the truck.'}
 {'role': 'SYS', 'utterance': 'What?'}
 {'role': 'USR', 'utterance': "Ah, ha, hah. Speechless. I knew you'd love him."}
 {'role': 'SYS', 'utterance': "That thing? That dog's as big as a horse. He probably eats like one, too."}
 {'role': 'USR', 'utterance': "Ah, but he's sure friendly. And someone was giving him away at the supermarket, and I... I... I couldn't let that poor thing pass another day without a loving home."}
 {'role': 'SYS', 'utterance': "Whatever. Where was I? Eighteen dollars and nineteen cents ($18.19) for twenty-four cans of tomato juice? You don't even like that stuff!"}
 {'role': 'USR', 'utterance': "Ahhhh. Not yet. I've decided to change my eating habits."}
 {'role': 'SYS', 'utterance': 'Right.'}
 {'role': 'USR', 'utterance': "You'll see, you'll see."}]
{'role': 'SYS', 'utterance': "Okay. Let's see. Three eighty-four ($3.84) for a box of chocolate cookies and twelve fifty-six ($12.56) for a case of soft drinks."}