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: 'im looking for a greek restaurant i dont care about the price range'
System: 'The Eraina Taverna is a great restaurant and it serves greek food.'
User: 'breathing sil'
System: 'Let me confirm. You are looking for a greek venue.'
User: 'breathing sil'
System: 'Can I help you with anything else?'
User: 'correct'
System: 'Can I help you with anything else?'
User: 'breathing sil'
System: 'What part of town do you have in mind? For example, something in the central, King's Hedges, or Romsey area.'
User: 'i dont care about the price range'
System: 'What type of food would you like? For example, Chinese take away, Contemporary, or Middleeastern.'
User: 'it doesnt matter'
System: 'The Bakers is an outstanding pub.'
User: 'im looking for a greek restaurant'
System: 'The Eraina Taverna is an outstanding restaurant and it serves greek food.'
User: 'im looking for a greek restaurant'
System: 'The Eraina Taverna, which serves greek food, is an outstanding restaurant.'
User: 'breathing what is the phone number and post code'
System: 'The phone number of the Eraina Taverna is 01223902126 and it's in the area with the postcode CB2 3QA.'
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: 'im looking for a cheap restaurant in the addenbrookes area'
System: 'The Peking Restaurant is a great restaurant, it's in the Addenbrooke's part of town and it's in the cheap price range.'
User: 'ah whats the address and postcode'
System: 'The Peking Restaurant, which is in the area with the postcode CB2 8NX, is on Unit 3, The Belvedere, Homerton Street.'
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: 'noise sil'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'a japanese restaurant'
System: 'What kind of price range are you looking for? For example, free, or moderate.'
User: 'sil'
System: 'What part of town do you have in mind? For example, Arbury, or central.'
User: 'dont care'
System: 'What part of town do you have in mind? For example, central, or Fen Ditton.'
User: 'dont care'
System: 'Yippee Noodle Bar is a great restaurant and it serves chinese take away and japanese food.'
User: 'dont care'
System: 'What kind of price range are you looking for? For example, cheap, or expensive.'
User: 'what is the address'
System: 'Yippee Noodle Bar is a great venue. The price for main courses ranges from 7 pounds 30 to 11 pounds 40.'
User: 'what is the address'
System: 'Yippee Noodle Bar is on 7-9 King Street.'
User: 'what is the address'
System: 'Yippee Noodle Bar is located on 7-9 King Street.'
User: 'what is the phone number'
System: 'The phone number of Yippee Noodle Bar is 01223518111.'
User: 'what is the phone number'
System: 'The phone number of Yippee Noodle Bar is 01223518111.'
User: 'what is the postal code'
System: 'Yippee Noodle Bar is in the area with the postcode CB1 1LH.'
User: 'what is the postal code'
System: 'Yippee Noodle Bar is in the area with the postcode CB1 1LH.'
User: 'thank you good bye'


SOLUTION:
Don't Care