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: 'can i find a turkish restaurant unintelligible'
System: 'The Agora is a great restaurant. It serves turkish food. It's in the expensive price range.'
User: 'price range'
System: 'The Agora is an outstanding venue. The price for main courses ranges from 9 pounds to 11 pounds 50 and the price for a cappuccino is 2 pounds 25.'
User: 'i want to find a turkish restaurant'
System: 'The Agora is a great restaurant, it serves turkish food and it's in the expensive price range.'
User: 'in expenso price range'
System: 'The Anatolia Restaurant, which serves turkish food, is a great restaurant. It's in the expensive price range.'
User: 'can i know the address phone number and the postcode'
System: 'The Anatolia Restaurant is on 30 Bridge Street, its phone number is 01223902117 and it's in the area with the postcode CB2 1UJ. The price for main courses ranges from 11 pounds 50 to 15 pounds 95.'
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: 'cough'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'restaurant'
System: 'What type of food would you like? For example, Mexican and Tex Mex, Continental, or Indian.'
User: 'dont care'
System: 'What type of food would you like? For example, Cafe food, Contemporary, or Spanish.'
User: 'i dont care'
System: 'Are you looking for somewhere near a particular venue? For example, the Gallery at twelve A High Street, The Fitzwilliam Museum, or Trinity College.'
User: 'sil'
System: 'Are you looking for somewhere near a particular venue? For example, All Saints Church, the Michaelhouse Centre, or the Lammas Land Park.'
User: 'city cent'
System: 'La Raza is a great restaurant and it's in the central part of town.'
User: 'city center'
System: 'La Raza, which is in the central part of town, is an outstanding restaurant.'
User: 'whats the address'
System: 'La Raza is on 4-6, The Basement, Rose Crescent.'
User: 'address'
System: 'La Raza is on 4-6, The Basement, Rose Crescent.'
User: 'price'
System: 'La Raza is an outstanding venue. The price for main courses ranges from 1 pound 95 to 13 pounds 95 and the entrance for adults is 4 pounds.'
User: 'price'
System: 'La Raza is a great venue. The price for main courses ranges from 1 pound 95 to 13 pounds 95 and the entrance for adults is 4 pounds.'
User: 'thank you goodbye'


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 trying to find a fast food restaurant'
System: 'Would you like fastfood or X food?'
User: 'any'
System: 'Would you like fastfood or X food?'
User: 'unintelligible'
System: 'Would you like fastfood or X food?'
User: 'unintelligible'
System: 'Burger King is a great restaurant and it serves fastfood.'
User: 'whats the address'
System: 'Burger King is on The Grafton Centre.'
User: 'give me the address'
System: 'Burger King is on The Grafton Centre.'
User: 'whats the phone number'
System: 'The phone number of Burger King is 01223322666.'
User: 'thank you good bye'


SOLUTION:
Don't Care