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 and it should have an expensive price range'
System: 'The Varsity, which serves greek food, is an outstanding restaurant. It's in the expensive price range.'
User: 'sil'
System: 'Are you looking for somewhere near a particular venue? For example, the Folk Museum, the Michaelhouse Centre, or the Whipple Museum.'
User: 'what was that'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, New Chesterton, or riverside area.'
User: 'no'
System: 'The Varsity, which serves greek food, is an outstanding restaurant. It's in the expensive price range.'
User: 'sil'
System: 'Are you looking for somewhere near a particular venue? For example, Great Saint Mary's Church, the People's Portraits Exhibition, or Williams Art and Antiques.'
User: 'uh what is the address and the area of the venue'
System: 'The Varsity is on 35 Saint Andrew's Street. The price for main courses ranges from 9 pounds 95 to 18 pounds 95.'
User: 'no'
System: 'The Varsity is an outstanding restaurant.'
User: 'what is the area and address of the place'
System: 'The Varsity, which is in the Girton part of town, is located on 35 Saint Andrew's Street. The price for main courses ranges from 9 pounds 95 to 18 pounds 95.'
User: 'sil'
System: 'The Varsity is a great restaurant.'
User: 'what is the address and the area of the venue'
System: 'The Varsity is located on 35 Saint Andrew's Street.'
User: 'what type of food does it serve'
System: 'The Varsity serves greek food.'
User: 'ok and where is the area uh that this is located'
System: 'The Varsity is on 35 Saint Andrew's Street and it's in the Girton part of town.'
User: 'thank you good bye'


SOLUTION: Expensive

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 am looking for a cheap pub restaurant'
System: 'Are you looking for a pub or a restaurant?'
User: 'a pub that would do a cheap price range'
System: 'Are you looking for a venue with an internet connection?'
User: 'no'
System: 'Are you looking for somewhere near a particular venue? For example, Cafe Jello, Artworks, or Sidney Sussex College.'
User: 'im looking for a pub thats cheap'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, King's Hedges, or Newnham area.'
User: 'doesnt matter'
System: 'Are you looking for somewhere near a particular venue? For example, All Saints Church, Holy Trinity Church, or Kettle's Yard.'
User: 'doesnt matter'


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: 'yes im looking for a moderately priced restaurant and it should be in the addenbrookes area'
System: 'Nando's Restaurant, Cambridge Leisure Park is an outstanding restaurant, it's in the Addenbrooke's part of town and it's in the moderate price range.'
User: 'can i get the address and phone number please'
System: 'Nando's Restaurant, Cambridge Leisure Park is on Unit G5, Cambridge Leisure Park, Clifton Way and its phone number is 01223246568.'
User: 'thank you and good bye'


SOLUTION:
Moderate

