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: 'noise'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'i am looking for a cheap pub with an internet connection'
System: 'The Bakers, which has an internet connection, is in the cheap price range. It's an outstanding pub.'
User: 'what is the address'
System: 'The Bakers is located on 176 East Road.'
User: 'what is the phone number'
System: 'The phone number of The Bakers is 01223304121.'
User: 'what area is it in'
System: 'The Bakers is in the riverside part of town.'
User: 'thank you goodbye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes