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: 'unintelligible whispering'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'unintelligible'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'uh an expensive restaurant'
System: 'The Backstreet Bistro, which serves contemporary and english food, is an outstanding restaurant. It's in the expensive price range.'
User: 'one in the trumpington area'
System: 'The Oak Bistro, which is in the Trumpington part of town, is a great restaurant. It's in the expensive price range.'
User: 'what is the phone number'
System: 'The phone number of The Oak Bistro is 01223323361.'
User: 'what is the address'
System: 'The Oak Bistro is on 6 Lensfield Road.'
User: 'thank you good bye'

Output (English): Expensive