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: 'background noise'
System: 'Are you looking for a pub or a restaurant?'
User: 'restaurant'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'free'
System: 'What type of food would you like? For example, Contemporary, Mediterranean, or Seafood.'
User: 'french'
System: 'Let me confirm. You are looking for a french venue.'
User: 'french'
System: 'Ta Bouche, which serves french food, is a great restaurant. It doesn't charge any entrance fee.'
User: 'yes'
System: 'Ta Bouche, which serves french food, is a great restaurant. It doesn't charge any entrance fee.'
User: 'address'
System: 'Ta Bouche is located on 10-15 Market Passage.'
User: 'address'
System: 'Ta Bouche is located on 10-15 Market Passage.'
User: 'phone telephone'
System: 'The phone number of Ta Bouche is 01223462277.'
User: 'telephone'
System: 'The phone number of Ta Bouche is 01223462277.'
User: 'telephone'
System: 'The phone number of Ta Bouche is 01223462277.'
User: 'thank you good bye'
Question: 'Did the user mention price range they are looking for?'

Output (English): Yes