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 cafe, a pub, or a restaurant.'
User: 'im looking for a cheap restaurant in the cherryhinton area'
System: 'HK Fusion, which is in the Cherry Hinton part of town, is a great restaurant. It's in the cheap price range.'
User: 'what is the address and phone number'
System: 'HK Fusion is on 21 Burleigh Street and its phone number is 01223355909.'
User: 'what type of food do they serve'
System: 'HK Fusion is a great restaurant.'
User: 'what type of food'
System: 'HK Fusion is a great restaurant, it's in the Cherry Hinton part of town and it's in the cheap price range.'
User: 'what kind of food to the serve'
System: 'Yes. HK Fusion serves chinese food.'
User: 'thank you goodbye'

Output (English): Cheap