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: 'a greek restaurant'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'i dont care about price'
System: 'The Eraina Taverna, which serves greek food, is an outstanding restaurant.'
User: 'what is the area'
System: 'The Eraina Taverna is in the central part of town.'
User: 'what is the phone number'
System: 'The phone number of the Eraina Taverna is 01223902126.'
User: 'thank you good bye'
Question: 'Did the user mention price range they are looking for?'

Output (English): Yes