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: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'a pub'
System: 'What part of town do you have in mind? For example, something in the Castle Hill, central, or Fen Ditton area.'
User: 'im looking for a pub in'
System: 'Are you looking for somewhere near a particular venue? For example, Kettle's Yard, Milton Country Park, or Saint Catharine's College.'
User: 'castle hill side'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Castle Hill, or Newnham area.'
User: 'music any'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'sil'
System: 'Are you looking for somewhere near a particular venue? For example, Clare Hall, Holy Trinity Church, or the Whipple Museum.'
User: 'sil'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'either one any'
System: 'What part of town do you have in mind? For example, something in the Newnham, riverside, or Trumpington area.'
User: 'cheap'
System: 'The Avery is a great pub and it's in the cheap price range.'
User: 'trumpington'
System: 'There is no pub in the Trumpington area.'
User: 'address'
System: 'The Avery is located on 69-73 Regent Street.'
User: 'uh'
System: 'The Avery is an outstanding pub.'
User: 'thank you goodbye'

Output (English): Cheap