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: 'chinese takeif away restaurant'
System: 'Let me confirm. You are looking for a chinese take away venue.'
User: 'yes'
System: 'What part of town do you have in mind? For example, something in the Barnwell, King's Hedges, or riverside area.'
User: 'romsey area'
System: 'Kymmoy is a great restaurant, it's in the Romsey part of town, it serves chinese take away and it serves fusion food.'
User: 'phone number'
System: 'The phone number of the Kymmoy Noodle Bar is 01223311911.'
User: 'price'
System: 'The Kymmoy Noodle Bar is an outstanding venue. The price for main courses ranges from 7 pounds 10 to 9 pounds 70.'
User: 'thank you goodbye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes