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: 'noise sil'
System: 'What kind of price range are you looking for? For example, expensive, free, or moderate.'
User: 'noise sil'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'noise expensive'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'restaurant noise'
System: 'What type of food would you like? For example, East asian, Chinese, or English.'
User: 'noise sil'
System: 'Are you looking for somewhere near a particular venue? For example, Byard Art, Castle Galleries, or Jesus College.'
User: 'unintelligible sil'
System: 'Are you looking for somewhere near a particular venue? For example, Gonville and Caius College, the Lammas Land Park, or the Whipple Museum of the History of Science.'
User: 'romsey'
System: 'What type of food would you like? For example, East asian, pub, or Continental.'
User: 'noise sil'
System: 'Are you looking for somewhere near a particular venue? For example, Milton Country Park, Saint John's College, or Trinity College.'
User: 'noise sil'
System: 'Let me confirm. You don't care about the location. You are looking for a venue.'
User: 'romsey area'
System: 'Let me confirm. You don't care about the location and you are looking for a venue.'
User: 'romsey area'
System: 'Let me confirm. You don't care about the location and you are looking for a venue.'
User: 'no'
System: 'What type of food would you like? For example, Chinese take away, Drinks and snacks only, or Italian.'
User: 'no'
System: 'What type of food would you like? For example, Drinks and snacks only, Chinese, or Mediterranean.'
User: 'expensive restaurant'
System: 'Let me confirm. You are looking for a turkish venue.'
User: 'mediterranean'
System: 'There is no restaurant serving mediterranean food in the expensive price range.'
User: 'yes'
System: 'Let me confirm. You are looking for a mediterranean venue.'
User: 'no'
System: 'Would you like a mediterranean food, or you don't care?'
User: 'i dont care'
System: 'What part of town do you have in mind? For example, something in the Arbury, Castle Hill, or Newnham area.'
User: 'romsey'
System: 'The Backstreet Bistro, which is in the Romsey part of town, is a great restaurant. It's in the expensive price range.'
User: 'thank you good bye'

Output (English): Expensive