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: 'breathing sil'
System: 'What kind of venue are you looking for? For example, a restaurant.'
User: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'cheap'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'restaurant'
System: 'What type of food would you like? For example, Italian, Seafood, or Vegetarian.'
User: 'restaurant'
System: 'What type of food would you like? For example, Cafe food, Chinese take away, or American.'
User: 'italian'
System: 'Clowns is an outstanding cafe and a great restaurant, it serves italian food and it's in the cheap price range.'
User: 'american'
System: 'Gourmet Burger , which serves american food, is an outstanding restaurant. It's in the cheap price range.'
User: 'thank you good bye'

Output (English): Cheap