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: 'yes i would like to find a mexican tex restaurant in the expensive'
System: 'Are you looking for somewhere near a particular venue? For example, Kettle's Yard, the Scott Polar Museum, or Trinity College.'
User: 'price range'
System: 'Are you looking for somewhere near a particular venue? For example, Castle Galleries, the Lynne Strover Gallery, or Old Schools.'
User: 'it does not matter'
System: 'What part of town do you have in mind? For example, something in the Castle Hill, Chesterton, or New Chesterton area.'
User: 'castlehill area'
System: 'Are you looking for somewhere near a particular venue? For example, Holy Trinity Church, the Lynne Strover Gallery, or Magdalene College.'
User: 'holy trinity church'
System: 'Are you looking for somewhere near a particular venue? For example, Castle Galleries, Holy Trinity Church, or Trinity College.'
User: 'holy trinity vhurch'
System: 'Are you looking for somewhere near a particular venue? For example, the Technology Museum, Corpus Christi, or Great Saint Mary's Church.'
User: 'it does not matter'
System: 'Would you like a mexican and tex mex food, or you don't care?'
User: 'mexican texmex'
System: 'Are you looking for somewhere near a particular venue? For example, King's College, Old Schools, or the Regency Gallery.'
User: 'i am looking for a mexican texmex restaurant in the expensive price range'
System: 'Are you looking for somewhere near a particular venue? For example, Little Saint Mary's, Pembroke College, or Sidney Sussex College.'
User: 'thank you goodbye'

Output (English): Expensive