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: 'can i have a vegetarian restaurant in the girton area'
System: 'The Rainbow Cafe, which is in the Girton part of town, is a great restaurant. It serves traditional and vegetarian food.'
User: 'may i have the address please'
System: 'The Rainbow Cafe is on 9a King's Parade.'
User: 'may i have the phone number please'
System: 'The phone number of the Rainbow Cafe is 01223321551.'
User: 'may i have the post code please'
System: 'The Rainbow Cafe is in the area with the postcode CB2 1SJ.'
User: 'thank you good bye'
Question: 'Did the user mention any cuisine preferences?'

Output (English): Yes