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.

[EX Q]: 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: 'noise sil'
System: 'Let me confirm. You are looking for a venue with no entrance fee.'
User: 'noise sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'no im looking for a continental re'
System: 'Are you looking for a cafe or a restaurant?'
User: 'ah continental restaurant'
System: 'There is no restaurant serving continental food that is providing services for free.'
User: 'ah a restaurant with expensive price'
System: 'Are you looking for somewhere near a particular venue? For example, Christ's College, Saint Catharine's College, or The Fitzwilliam Museum.'
User: 'a continental restaurant wi'
System: 'What part of town do you have in mind? For example, something in the Barnwell, Chesterton, or King's Hedges area.'
User: 'no no'
System: 'Are you looking for somewhere near a particular venue? For example, Artworks, Castle Galleries, or Corpus Christi.'
User: 'i am looking for a continetal restaurant'
System: 'What part of town do you have in mind? For example, Barnwell, or New Chesterton.'
User: 'continental restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, the Michaelhouse Centre, the Ruskin Gallery, or the Whipple Museum of the History of Science.'
User: 'barnwell'
System: 'Are you looking for somewhere near a particular venue? For example, Hughes Hall, the Michaelhouse Centre, or Lamma's Land.'
User: 'barnwell'
System: 'There is no restaurant in the Barnwell area in the expensive price range.'
User: 'barnwell'
System: 'Would you like an expensive price range, or you don't care?'
User: 'i am looking for a continental'
System: 'Would you like an expensive price range, or you don't care?'
User: 'expensive price range'
System: 'Would you like an expensive price range, or you don't care?'
User: 'expensive price range'
System: 'Would you like an expensive price range, or you don't care?'
User: 'unitelligible'
System: 'Would you like an expensive price range, or you don't care?'
User: 'expensive price range'
System: 'There is no restaurant in the Barnwell area and serving continental food.'
User: 'thank you good bye'

[EX A]: Expensive

[EX Q]: 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 fusion restaurant and it should have moderate price range'
System: 'Aki Teri, which serves fusion food, is a great restaurant. It's in the moderate price range.'
User: 'ok can i have the phone number please'
System: 'The phone number of Aki Teri is 01223323888.'
User: 'thank you and could i have the price'
System: 'Aki Teri is located on 3-5 Quayside. The price for main courses ranges from 8 pounds 80 to 11 pounds 80.'
User: 'thank you good bye'

[EX A]: Moderate

[EX Q]: 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 an expensive restaurant in the addenbrookes area'
System: 'What type of food would you like? For example, Chinese, Fusion, or Greek.'
User: 'i dont care'
System: 'The Lucky Star, which is in the Addenbrooke's part of town, is an outstanding restaurant. It's in the expensive price range.'
User: 'what is the address'
System: 'The Lucky Star is located on Unit.'
User: 'uh whats the phone number'
System: 'Let me confirm. You don't care about the food. You are looking for a venue.'
User: 'correct'
System: 'Let me confirm. You don't care about the food and you are looking for a venue.'
User: 'thats correct'
System: 'Are you looking for a pub or a restaurant?'
User: 'im looking for an expensive restaurant in the addenbrookes area'
System: 'The Lucky Star is on Unit and its phone number is 01223244277.'
User: 'what is the address'
System: 'The Lucky Star is on Unit.'
User: 'what is the postcode'
System: 'The Lucky Star is in the area with the postcode CB1 7DY.'
User: 'sil'
System: 'The Lucky Star is a great restaurant.'
User: 'thank you goodbye'

[EX A]:
Expensive

