Task: Dialogue State Tracking
Input (English): System: 'Thank you for calling the Cambridge Information system. Your call will be recorded for research purposes. You may ask for information about a place to eat, such as a restaurant, a pub, or a cafe. How may I help you?'
User: 'sil'
System: 'Can I help you with anything else?'
User: 'im looking for a thai restaurant'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, Chesterton, or Trumpington area.'
User: 'i dont care about that area'
System: 'The Wrestlers, which serves thai food, is a great restaurant.'
User: 'is it in the expensive range'
System: 'Yes. The Wrestlers is in the expensive price range.'
User: 'may i have the address and price'
System: 'The Wrestlers is located on 337 Newmarket Road. The price for main courses ranges from 8 pounds 50 to 9 pounds 70 and the price for a cheapest pint of beer is 3 pounds 30.'
User: 'ok thank you goodbye'

Output (English): Expensive