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 texmex restaurant'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'with expensive price range'
System: 'What kind of price range are you looking for? For example, cheap, free, or moderate.'
User: 'expensive'
System: 'There is no restaurant in the Girton area and serving mexican and tex mex food.'
User: 'i do not care about the area'
System: 'Would you like a girton area, or you don't care?'
User: 'i dont care'
System: 'Would you like a mexican and tex mex food, or you don't care?'
User: 'mexican or texmex'
System: 'What kind of price range are you looking for? For example, cheap, or moderate.'
User: 'expensive'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'expensive'
System: 'Nanna Mexico is a great restaurant. It serves mexican and tex mex food. It's in the expensive price range.'
User: 'can you give me the address and price'
System: 'Nanna Mexico is located on 33 Regent Street.'
User: 'sil'
System: 'Nanna Mexico is an outstanding restaurant.'
User: 'can you give me the price range'
System: 'Nanna Mexico is a great venue. The price for main courses ranges from 5 pounds 35 to 15 pounds 50 and the price for a cappuccino is 2 pounds 95.'
User: 'thank you good bye'

Output (English): Expensive