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: 'i want a cheap restaurant in the addenbrooks area'
System: 'The Peking Restaurant is a great restaurant, it's in the Addenbrooke's part of town and it's in the cheap price range.'
User: 'whats the address'
System: 'The Peking Restaurant is located on Unit 3, The Belvedere, Homerton Street.'
User: 'and the phone number'
System: 'The phone number of the Peking Restaurant is 01223902166.'
User: 'thank you goodbye'

Output (English): Cheap