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: 'restaurant'
System: 'What type of food would you like? For example, Chinese take away, Italian, or Vegetarian.'
User: 'sil'
System: 'What type of food would you like? For example, Mexican and Tex Mex, or Northern european.'
User: 'sil'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, Chesterton, or Newnham area.'
User: 'dont care'
System: 'What type of food would you like? For example, Contemporary, or Greek.'
User: 'new chesterton'
System: 'What type of food would you like? For example, American, French, or Greek.'
User: 'dont care'
System: 'Hakka, which is in the New Chesterton part of town, is a great restaurant.'
User: 'sil'
System: 'Are you looking for somewhere near a particular venue? For example, Cafe Jello, Great Saint Mary's Church, or Lamma's Land.'
User: 'sil'
System: 'Hakka is a great restaurant. It's in the New Chesterton part of town.'
User: 'sil'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'new chesterton'
System: 'Hakka is a great restaurant and it's in the New Chesterton part of town.'
User: 'moderate'
System: 'Hakka is an outstanding restaurant, it's in the New Chesterton part of town and it's in the moderate price range.'
User: 'moderate price'
System: 'Hakka, which is in the New Chesterton part of town, is an outstanding restaurant. It's in the moderate price range.'
User: 'what is the address'
System: 'Hakka is located on 24 Milton Road.'
User: 'what is the address'
System: 'Hakka is on 24 Milton Road.'
User: 'what is the price range'
System: 'Hakka is in the moderate price range. The price for main courses ranges from 5 pounds to 13 pounds.'
User: 'sil'
System: 'Hakka is a great restaurant.'
User: 'what is the price range'
System: 'Hakka is in the moderate price range.'
User: 'background noise'
System: 'Hakka is an outstanding restaurant.'
User: 'thank you good bye'

Output (English): Moderate