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: 'system'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'sil'
System: 'What kind of price range are you looking for? For example, cheap, free, or moderate.'
User: 'a french restaurant'
System: 'What kind of price range are you looking for? For example, cheap, or moderate.'
User: 'moderate'
System: 'There is no restaurant serving french food in the moderate price range.'
User: 'moderate'
System: 'Let me confirm. You are looking for a french venue.'
User: 'yes'
System: 'There is no restaurant serving french food in the moderate price range.'
User: 'in the cheap price range'
System: 'There is no restaurant serving french food in the cheap price range.'
User: 'in the expensive price range'
System: 'Would you like a french food, or you don't care?'
User: 'french food'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Barnwell, or King's Hedges area.'
User: 'riverside area'
System: 'The Hotel du Vin, which is in the riverside part of town, is a great restaurant. This place, which serves french food, is in the expensive price range.'
User: 'may i have the address'
System: 'The Hotel du Vin is located on 15-19 Trumpington Street. The price for main courses ranges from 17 pounds to 25 pounds.'
User: 'and the phone number'
System: 'The phone number of the Hotel du Vin is 01223227330.'
User: 'thank you good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes