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.

[Q]: 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 sil'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'what is a cheap restaurant in addonbrookes'
System: 'What part of town do you have in mind? For example, something in the Addenbrooke's, New Chesterton, or Trumpington area.'
User: 'addonbrookes'
System: 'Are you looking for somewhere near a particular venue? For example, All Saints Church, Artworks, or Gonville and Caius College.'
User: 'no'
System: 'What part of town do you have in mind? For example, Romsey, or Trumpington.'
User: 'addonbrookes'
System: 'What type of food would you like? For example, Chinese take away, Chinese, or Mediterranean.'
User: 'doenst matter'
System: 'La Raza is a great restaurant and it's in the cheap price range.'
User: 'what is the address'
System: 'Let me confirm. You don't care about the food. You are looking for a venue.'
User: 'what is the address'
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: 'what is a cheap restaurant in addonbrookes'
System: 'La Raza is on 4-6, The Basement, Rose Crescent.'
User: 'what is the post code'
System: 'La Raza is in the area with the postcode CB2 3LL.'
User: 'thank you good bye'

[A]: Cheap


[Q]: 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 an expensive restaurant in the fen ditton area'
System: 'The Riverside Restaurant, which is in the Fen Ditton part of town, is a great restaurant. It's in the expensive price range.'
User: 'what type of food do they have'
System: 'The Riverside Restaurant serves contemporary food.'
User: 'whats the phone number'
System: 'The phone number of the Riverside Restaurant is 01223418997.'
User: 'what is the address'
System: 'The Riverside Restaurant is on Cambridge Regional College, Newmarket Road.'
User: 'thank you goodbye'

[A]: Expensive


[Q]: 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: 'sil'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'yes i uh im trying to find a mexican restaurant in the expensive price range'
System: 'Nanna Mexico, which serves mexican and tex mex food, is a great restaurant. It's in the expensive price range.'
User: 'can i get the phone number and area of the venue'
System: 'The phone number of Nanna Mexico is 01223902150. The price for main courses ranges from 5 pounds 35 to 15 pounds 50 and the price for a cappuccino is 2 pounds 95.'
User: 'the area of the restaurant'
System: 'Nanna Mexico, which serves mexican and tex mex food, is an outstanding restaurant. It's in the expensive price range.'
User: 'the address of the restaurant'
System: 'Nanna Mexico is located on 33 Regent Street.'
User: 'uh thank you goodbye'

[A]:
Expensive


