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: 'i would like a seafood restaurant'
System: 'What part of town do you have in mind? For example, Addenbrooke's, or Trumpington.'
User: 'sil'
System: 'There is no restaurant serving seafood in the cheap price range.'
User: 'i dont care'
System: 'Loch Fyne, which serves seafood, is a great restaurant.'
User: 'any price'
System: 'Loch Fyne is an outstanding venue. The price for main courses ranges from 9 pounds to 20 pounds.'
User: 'what is the price'
System: 'Loch Fyne is an outstanding venue. The price for main courses ranges from 9 pounds to 20 pounds.'
User: 'what is the address and phone number'
System: 'Loch Fyne is on 37 Trumpington Street and its phone number is 01223902103.'
User: 'thank you good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes