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: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'background noise'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'background noise'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'cheap'
System: 'What kind of venue are you looking for? For example, a pub.'
User: 'chinese'
System: 'Are you looking for a cafe or a restaurant?'
User: 'chinese'
System: 'Are you looking for a cafe or a restaurant?'
User: 'restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, Artworks, the Book and Print Gallery, or the Saint Barnabas Press Gallery.'
User: 'restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, Cafe Jello, the Book and Print Gallery, or the Saint Barnabas Press Gallery.'
User: 'no'
System: 'HK Fusion, which serves chinese food, is a great restaurant. It's in the cheap price range.'
User: 'no'
System: 'HK Fusion, which serves chinese food, is an outstanding restaurant. It's in the cheap price range.'
User: 'background noise'
System: 'HK Fusion, which serves chinese food, is an outstanding restaurant. It's in the cheap price range.'
User: 'number'
System: 'The phone number of HK Fusion is 01223355909.'
User: 'number'
System: 'HK Fusion is an outstanding restaurant.'
User: 'address'
System: 'HK Fusion is on 21 Burleigh Street.'
User: 'address'
System: 'HK Fusion is located on 21 Burleigh Street.'
User: 'address'
System: 'HK Fusion is on 21 Burleigh Street.'
User: 'thank you good bye'
Question: 'Did the user mention price range they are looking for?'

Output (English): Yes