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 restaurant.'
User: 'hello'
System: 'What kind of price range are you looking for? For example, expensive, free, or moderate.'
User: 'id like a restaurant that serves cheap'
System: 'What type of food would you like? For example, Drinks and snacks only, Fastfood, or Vegetarian.'
User: 'pub food'
System: 'Are you looking for somewhere near a particular venue? For example, Pembroke College, The Fitzwilliam Museum, or Wandlebury Country Park.'
User: 'no particular area'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Cherry Hinton, or King's Hedges area.'
User: 'no particular part of town'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, central, or King's Hedges area.'
User: 'any part of town'
System: 'What type of food would you like? For example, Contemporary, Spanish, or Traditional.'
User: 'any part'
System: 'La Raza, which is in the cheap price range, is a great restaurant.'
User: 'what kind of food does it serve'
System: 'La Raza, which is in the cheap price range, is a great restaurant.'
User: 'what kind of food'
System: 'La Raza, which is in the cheap price range, is a great restaurant.'
User: 'what kind of food does the restaurant serve'
System: 'La Raza is an outstanding restaurant.'
User: 'i want a pub food restaurant'
System: 'The Fountain Inn, which serves pub food, is a great restaurant. It's in the cheap price range.'
User: 'that sounds good please give me the address and the phone number'
System: 'The Fountain Inn is on 12 Regent Street and its phone number is 01223366540.'
User: 'ou good bye'
System: 'The Fountain Inn is an outstanding restaurant. It serves pub food. It's in the cheap price range.'
User: 'thank you'
System: 'Can I help you with anything else?'
User: 'good bye'

Output (English): Cheap