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 moderately priced restaurant and it should be in the newnham area'
System: 'The Red Bull, which is in the Newnham part of town, is an outstanding restaurant. It's in the moderate price range.'
User: 'what is the address'
System: 'The Red Bull is on 11 Barton Road, Newnham.'
User: 'and what is the price'
System: 'The Red Bull is a great venue. The price for main courses ranges from 4 pounds 25 to 11 pounds 95 and the price for a cappuccino is 1 pound 95 and the price for a cheapest pint of beer is 2 pounds 65.'
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 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: 'a restaurant in trumpington any price range'
System: 'The Oak Bistro, which is in the Trumpington part of town, is a great restaurant.'
User: 'unintelligible whats the address'
System: 'The Oak Bistro is on 6 Lensfield Road. The price for main courses ranges from 11 pounds 50 to 17 pounds 75.'
User: 'unintelligible'
System: 'The Oak Bistro is an outstanding restaurant.'
User: 'whats the address unintelligible'
System: 'The Oak Bistro is on 6 Lensfield Road.'
User: 'unintelligible'
System: 'The Oak Bistro is a great restaurant.'
User: 'whats the address'
System: 'The Oak Bistro is located on 6 Lensfield Road.'
User: 'whats the phone number'
System: 'The phone number of The Oak Bistro is 01223323361.'
User: 'thank you goodbye'


SOLUTION:
Don't Care