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: 'im looking for an italian restaurant in a cheap price range'
System: 'Clowns is a great cafe. It serves italian food. This place, which is an outstanding restaurant, is in the cheap price range.'
User: 'what is the address'
System: 'Clowns is on 54 King Street. The price for main courses ranges from 5 pounds to 11 pounds and the price for a cappuccino is 1 pound 50.'
User: 'what is the phone number'
System: 'The phone number of Clowns is 01223355711.'
User: 'thank you goodbye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes