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: 'noise'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'spanish restaurant'
System: 'What kind of price range are you looking for? For example, free, or moderate.'
User: 'moderate'
System: 'Carringtons serves cafe food and english food. This place, which is a great cafe and an outstanding restaurant, is in the moderate price range.'
User: 'can i have the address'
System: 'Carringtons is located on 23 Market Street.'
User: 'can i have the price venue'
System: 'Carringtons is an outstanding venue. 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: 'sil'
System: 'Carringtons is an outstanding restaurant.'
User: 'can i have the prices'
System: 'Carringtons is a great venue. 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: '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: 'background noise'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'japanese restaurant'
System: 'Let me confirm. You are looking for a japanese venue.'
User: 'japanese restaurant'
System: 'What kind of price range are you looking for? For example, cheap, free, or moderate.'
User: 'moderate'
System: 'Are you looking for somewhere near a particular venue? For example, Castle Galleries, King's College, or Queens' College.'
User: 'i dont care'
System: 'Yippee Noodle Bar, which serves chinese take away and japanese food, is an outstanding restaurant. It's in the moderate price range.'
User: 'what is the address'
System: 'Yippee Noodle Bar is on 7-9 King Street.'
User: 'what is the price'
System: 'Yippee Noodle Bar is a great venue. The price for main courses ranges from 7 pounds 30 to 11 pounds 40.'
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: 'i want to find a american restaurant'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'i do not care'
System: 'What part of town do you have in mind? For example, Arbury, or Chesterton.'
User: 'i do not care'
System: 'Would you like a girton area, or you don't care?'
User: 'i do not care'
System: 'Gourmet Burger , which serves american food, is an outstanding restaurant.'
User: 'what is the phone number and address'
System: 'Gourmet Burger  is on 43-45 Regent Street and its phone number is 01223312598.'
User: 'thank you good bye'


SOLUTION:
Don't Care