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: 'sil'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'moderate'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'turkish restaurant'
System: 'What kind of price range are you looking for? For example, cheap, or expensive.'
User: 'moderate'
System: 'Are you looking for somewhere near a particular venue? For example, the Broughton House Gallery, Emmanuel College, or Sidney Sussex College.'
User: 'um no'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Castle Hill, or Trumpington area.'
User: 'dont care'
System: '196 Meze Bar, which serves turkish food, is an outstanding restaurant. It's in the moderate price range.'
User: 'great phone number'
System: 'The phone number of 196 Meze Bar is 01223410519.'
User: 'cough'
System: '196 Meze Bar is a great restaurant.'
User: 'phone number'
System: 'The phone number of 196 Meze Bar is 01223410519.'
User: 'and whats the price'
System: '196 Meze Bar is a great venue. The price for main courses ranges from 10 pounds to 12 pounds 50 and the price for a cheapest glass of wine is 2 pounds 90 and the price for a cappuccino is 1 pound 80.'
User: 'thank you goodbye'


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: 'im looking for a restaurant which serves drinks and snacks only'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'any price range'
System: 'The Fleur, which serves drinks and snacks, is a great restaurant.'
User: 'what is the phone number and price'
System: 'The phone number of The Fleur is 01223902183. The price for main courses ranges from 6 pounds 75 to 12 pounds 95 and the price for a cheapest glass of wine is 3 pounds 50.'
User: 'thank you goodbye'


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: 'im looking for a restaurant in kings hedges'
System: 'Are you looking for somewhere near a particular venue? For example, Cafe Jello, the Museum of Archaelogy and Anthropology, or the Ruskin Gallery.'
User: 'no'
System: 'The Ranch is a great restaurant and it's in the King's Hedges part of town.'
User: 'uh what is the address phone number and type of food at the venue'
System: 'The Ranch is located on 100 Histon Road and its phone number is 01223322772.'
User: 'uh type of food at the venue'
System: 'The Ranch serves american food.'
User: 'thank you goodbye'


SOLUTION:
Don't Care