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: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'free restaurant free restaurants'
System: 'What type of food would you like? For example, Cafe food, Northern european, or Spanish.'
User: 'free restaurants'
System: 'Are you looking for somewhere near a particular venue? For example, the Folk Museum, the Michaelhouse Centre, or the Saint Barnabas Press Gallery.'
User: 'free free'
System: 'What part of town do you have in mind? For example, Arbury, or Castle Hill.'
User: 'sil'
System: 'What type of food would you like? For example, East asian, French, or Fusion.'
User: 'french'
System: 'Ta Bouche is an outstanding restaurant, it serves french food and it doesn't charge any entrance fee.'
User: 'noise'
System: 'Ta Bouche, which serves french food, is a great restaurant. It doesn't charge any entrance fee.'
User: 'noise thank you goodbye'
System: 'Ta Bouche, which serves french food, is an outstanding restaurant. It doesn't charge any entrance fee.'
User: 'noise'
System: 'Ta Bouche, which serves french food, is a great restaurant. It doesn't charge any entrance fee.'
User: 'noise'
System: 'Ta Bouche is a great restaurant, it serves french food and it doesn't charge any entrance fee.'
User: 'thank you goodbye'
Question: 'Did the user mention price range they are looking for?'

Output (English): Yes