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 venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'seafood restaurant'
System: 'Loch Fyne is an outstanding restaurant and it serves seafood.'
User: 'what is the address'
System: 'Loch Fyne is located on 37 Trumpington Street.'
User: 'phone number please'
System: 'The phone number of Loch Fyne is 01223902103.'
User: 'price please'
System: 'Loch Fyne is a great venue. The price for main courses ranges from 9 pounds to 20 pounds.'
User: 'thank you good bye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes