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 cafe, a pub, or a restaurant.'
User: 'restaurant'
System: 'What part of town do you have in mind? For example, Cherry Hinton, or New Chesterton.'
User: 'breathing sil'
System: 'What type of food would you like? For example, Greek, Italian, or Japanese.'
User: 'breathing sil'
System: 'What type of food would you like? For example, Northern european, Continental, or Japanese.'
User: 'american'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, central, or Girton area.'
User: 'dont care'
System: 'Gourmet Burger , which serves american food, is a great restaurant.'
User: 'breathing sil'
System: 'Are you looking for somewhere near a particular venue? For example, Great Saint Mary's Church, or King's College.'
User: 'breathing sil'
System: 'Are you looking for somewhere near a particular venue? For example, the Gallery at twelve A High Street, Gonville and Caius College, or the People's Portraits Exhibition.'
User: 'no'
System: 'Gourmet Burger  is an outstanding restaurant and it serves american food.'
User: 'cheap'
System: 'Gourmet Burger  is an outstanding restaurant, it serves american food and it's in the cheap price range.'
User: 'breathing cheap'
System: 'Gourmet Burger  is a great restaurant. It serves american food. It's in the cheap price range.'
User: 'phone number and area'
System: 'The phone number of Gourmet Burger  is 01223312598.'
User: 'area'
System: 'Gourmet Burger  is an outstanding restaurant.'
User: 'area'
System: 'Gourmet Burger  is a great restaurant.'
User: 'area'
System: 'Gourmet Burger  is a great restaurant.'
User: 'what area'
System: 'Gourmet Burger  is in the central part of town.'
User: 'thank you good bye'

Output (English): Cheap