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 im looking for a cheap restaurant in the addenbrooks area'
System: 'The Peking Restaurant is an outstanding restaurant, it's in the Addenbrooke's part of town and it's in the cheap price range.'
User: 'may i have the address'
System: 'The Peking Restaurant is on Unit 3, The Belvedere, Homerton Street.'
User: 'may i have the phone number'
System: 'The phone number of the Peking Restaurant is 01223902166.'
User: 'may i have the post code'
System: 'The Peking Restaurant is in the area with the postcode CB2 8NX.'
User: 'thank you goodbye'

Output (English): Cheap