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, or a restaurant.'
User: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'i am looking for an expensive thai'
System: 'Let me confirm. You are looking for a restaurant.'
User: 'a thai restaurant'
System: 'The Wrestlers, which serves thai food, is an outstanding restaurant. It's in the expensive price range.'
User: 'yes'
System: 'The Wrestlers, which serves thai food, is an outstanding restaurant. It's in the expensive price range.'
User: 'what is the address post'
System: 'The Wrestlers is located on 337 Newmarket Road.'
User: 'what is the address and postcode'
System: 'The Wrestlers, which is in the area with the postcode CB5 8JE, is located on 337 Newmarket Road.'
User: 'what is the postcode'
System: 'The Wrestlers is in the area with the postcode CB5 8JE.'
User: 'what is the phone number'
System: 'The phone number of The Wrestlers is 01223566554.'
User: 'what is the phone number'
System: 'The phone number of The Wrestlers is 01223566554.'
User: 'thank you goodbye'

Output (English): Expensive