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: 'unitelligible'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'im looking for a northern european restaurant and it should have a cheap price range'
System: 'Polonia is an outstanding restaurant, it serves northern european food and it's in the cheap price range.'
User: 'whats the address'
System: 'Polonia is located on 231 Chesterton Road. The price for main courses ranges from 1 pound 50 to 7 pounds 50.'
User: 'whats the phone number'
System: 'The phone number of Polonia is 01223902138.'
User: 'thank you goodbye'

Output (English): Cheap