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: 'ya hi ah i am looking for a moderately priced restaurant and it should be in the newnham area'
System: 'The Red Bull is a great restaurant, it's in the Newnham part of town and it's in the moderate price range.'
User: 'can i have a address and phone number of the venue'
System: 'The phone number of The Red Bull is 01223902124.'
User: 'the address'
System: 'The Red Bull is located on 11 Barton Road, Newnham.'
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: 'a cheap restaurant in the city center area'
System: 'Are you looking for somewhere near a particular venue? For example, Gonville and Caius College, Great Saint Mary's Church, or Little Saint Mary's.'
User: 'no'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, Girton, or New Chesterton area.'
User: 'in the city center area'
System: 'What part of town do you have in mind? For example, something in the Fen Ditton, New Chesterton, or riverside area.'
User: 'city center area'
System: 'What type of food would you like? For example, Mexican and Tex Mex, Fastfood, or Mediterranean.'
User: 'i dont care'
System: 'Let me confirm. You don't care about the food and you are looking for a venue.'
User: 'yes'
System: 'Are you looking for a pub or a restaurant?'
User: 'cheap restaurant'
System: 'La Raza, which is in the cheap price range, is a great restaurant.'
User: 'whats the address'
System: 'La Raza is on 4-6, The Basement, Rose Crescent.'
User: 'thank you good bye'
System: 'La Raza is a great restaurant.'
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: 'im looking for a spanish restaurant'
System: 'What part of town do you have in mind? For example, something in the Barnwell, central, or Trumpington area.'
User: 'uh i dont care'
System: 'La Raza, which serves spanish food, is a great restaurant.'
User: 'im looking for something in the cheap price range'
System: 'La Tasca, which serves spanish food, is a great restaurant. It's in the cheap price range.'
User: 'ok may i have the address'
System: 'La Tasca is located on 14-16 Bridge Street. The price for main courses ranges from 5 pounds to 10 pounds and the price for a cheapest glass of wine is 2 pounds 50.'
User: 'thank you good bye'


SOLUTION:
Cheap