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: 'unintelligible'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'unintelligible'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'background noise'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'a moderately priced restaurant in a chesterton area'
System: 'What part of town do you have in mind? For example, King's Hedges, or New Chesterton.'
User: 'chesterton'
System: 'Twenty-four, which is in the Chesterton part of town, is an outstanding restaurant. It's in the moderate price range.'
User: 'whats the address'
System: 'Twenty-four is on 24 Cambridge Science Park, Milton Road.'
User: 'whats the phone number'
System: 'The phone number of Twenty-four is 01223395800.'
User: 'thank you good bye'


SOLUTION: Moderate

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 pub.'
User: 'im looking for a moderately priced restaurant in the cherry hinton area'
System: 'The Six Bells, High Saint, which is in the Cherry Hinton part of town, is an outstanding restaurant. It's in the moderate price range.'
User: 'what is the address'
System: 'The Six Bells, High Saint is on 9 High Saint, Fulbourn.'
User: 'what type of food is it'
System: 'The Six Bells, High Saint serves pub food.'
User: 'thank you good bye'


SOLUTION: Moderate

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, a pub, or a restaurant.'
User: 'im looking for an authentic english restaurant'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'english'
System: 'Are you looking for somewhere near a particular venue? For example, Little Saint Mary's, Queens' College, or Williams Art and Antiques.'
User: 'any price range'
System: 'What part of town do you have in mind? For example, something in the Fen Ditton, King's Hedges, or Trumpington area.'
User: 'queens college'
System: 'What part of town do you have in mind? For example, something in the Barnwell, Cherry Hinton, or King's Hedges area.'
User: 'kings hedges'
System: 'Carringtons is an outstanding cafe and a great restaurant and it serves cafe food and english food.'
User: 'kings hedges'
System: 'There is no restaurant in the King's Hedges area and serving english food.'
User: 'what is the address'
System: 'Carringtons is on 23 Market Street. The price for main courses ranges from 4 pounds 25 to 6 pounds 25 and the price for a cappuccino is 1 pound 95.'
User: 'what is the address of c'
System: 'Carringtons is on 23 Market Street.'
User: 'thank you'
System: 'There is no restaurant serving english food in the cheap price range.'
User: 'thank you and good bye'


SOLUTION:
Don't Care