TASK DEFINITION: The input is a conversation between an automated system and a user looking for suggestions for pubs, restaurants and coffee shops in Cambridge. In the dialogue, the user may provide some criteria for the type of place they want such as price range, cuisine, etc. Given such a dialogue, output the price range the user if looking for which can take one of four values: Cheap, Moderate, Expensive and Don't Care. Output cannot be any other value than the four values. Note that if the user asks for the prices of items provided at a pub, restaurant or coffee shop but doesn't mention the price range they are looking for then the correct classification will be Don't Care. If the user does not mention a particular price, the correct classification will be Don't Care.
PROBLEM: 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: 'static'
System: 'What kind of venue are you looking for? For example, a pub.'
User: 'middle eastern restaurants'
System: 'Al Casbah, which serves mediterranean and middleeastern food, is an outstanding restaurant.'
User: 'any price range'
System: 'Al Casbah is a great venue. The price for main courses ranges from 8 pounds 95 to 12 pounds 95.'
User: 'what is the address phone number'
System: 'Al Casbah is located on 62 Mill Road and its phone number is 01223579500.'
User: 'what is the price'
System: 'Al Casbah is a great venue. The price for main courses ranges from 8 pounds 95 to 12 pounds 95.'
User: 'thank you good bye'


SOLUTION: Don't Care

PROBLEM: 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: 'i want to find a northern european restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, the Gallery at twelve A High Street, the Michaelhouse Centre, or Sidney Sussex College.'
User: 'background noise'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'cheap'
System: 'Polonia is a great restaurant and it serves northern european food. It's in the cheap price range.'
User: 'what is the address'
System: 'Polonia is on 231 Chesterton Road.'
User: 'what is the phone number'
System: 'The phone number of Polonia is 01223902138.'
User: 'what is the postcode'
System: 'Polonia is in the area with the postcode CB4 1AS.'
User: 'thank you good bye'


SOLUTION: Cheap

PROBLEM: 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: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'unintelligible an american restaurant'
System: 'What kind of price range are you looking for? For example, free, or moderate.'
User: 'it doesnt matter ah probably it doesnt matter'
System: 'Are you looking for somewhere near a particular venue? For example, Cherry Hinton Water Play, Magdalene College, or Old Schools.'
User: 'ah i doesnt matter cherry hill'
System: 'Let me confirm. You are looking for an american venue.'
User: 'yes'
System: 'What part of town do you have in mind? For example, something in the New Chesterton, riverside, or Trumpington area.'
User: 'uh trumpington area would be fine'
System: 'There is no restaurant in the Trumpington area and serving american food.'
User: 'ah anywhere then'
System: 'Gourmet Burger , which serves american food, is an outstanding restaurant.'
User: 'say again'
System: 'Gourmet Burger  is an outstanding restaurant and it serves american food.'
User: 'the name'
System: 'Gourmet Burger , which serves american food, is a great restaurant.'
User: 'do you have the address'
System: 'Gourmet Burger  is located on 43-45 Regent Street.'
User: 'and do you have their phone number'
System: 'The phone number of Gourmet Burger  is 01223312598.'
User: 'and what i what is the price range moderate or'
System: 'Gourmet Burger  is in the cheap price range. The price for main courses ranges from 3 pounds 95 to 8 pounds 45.'
User: 'uh thank you very much'
System: 'Can I help you with anything else?'
User: 'good bye'


SOLUTION:
Don't Care