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 a mexican tex mex restaurant in the addenbrookes area'
System: 'Chiquito is a great restaurant, it's in the Addenbrooke's part of town and it serves mexican and tex mex food.'
User: 'whats the address'
System: 'Chiquito is located on Cambridge Leisure Park.'
User: 'whats the phone number'
System: 'The phone number of Chiquito is 01223400170.'
User: 'whats the price'
System: 'Chiquito is an outstanding restaurant.'
User: 'whats the price'
System: 'Chiquito is a great venue. The price for main courses ranges from 7 pounds 95 to 15 pounds 95.'
User: 'thank you goodbye'
Question: 'Did the user ask for the phone number of the restaurant?'

Output (English): Yes