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: 'im looking for a cheap restaurant in the castle hill area'
System: 'What part of town do you have in mind? For example, something in the Castle Hill, Newnham, or riverside area.'
User: 'castle hill'
System: 'What type of food would you like? For example, Chinese, Seafood, or Vegetarian.'
User: 'do not care'
System: 'Are you looking for somewhere near a particular venue? For example, Cafe Jello, the Botanical Garden* Botanical Gardens, or Primavera.'
User: 'do not care'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Arbury, or Newnham area.'
User: 'the castle hill area'
System: 'What part of town do you have in mind? For example, Girton, or Trumpington.'
User: 'the castle hill area'
System: 'What part of town do you have in mind? For example, something in the central, New Chesterton, or Newnham area.'
User: 'im looking for something in the castle hill area'
System: 'What part of town do you have in mind? For example, something in the Fen Ditton, Newnham, or Trumpington area.'
User: 'im looking for a cheap restaurant'
System: 'What part of town do you have in mind? For example, something in the New Chesterton, Newnham, or Trumpington area.'
User: 'castle hill'
System: 'What part of town do you have in mind? For example, something in the Castle Hill, Girton, or Trumpington area.'
User: 'area'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Barnwell, or Castle Hill area.'
User: 'thank you goodbye'

Output (English): Cheap