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.

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: 'hi im looking for a spanish restaurant'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'i dont care'
System: 'La Raza, which serves spanish food, is a great restaurant. It's in the cheap price range.'
User: 'can i get the address the phone number and the area please'
System: 'La Raza is in the central part of town and its phone number is 01223464550.'
User: 'thank you good bye'

Don't Care

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 with any price range and any area'
System: 'La Raza is a great restaurant. It serves spanish food.'
User: 'ok and the address'
System: 'La Raza is located on 4-6, The Basement, Rose Crescent.'
User: 'and the 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: 'ok thank you good bye'

Don't Care

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 cheap restaurant in the cherry hinton area'
System: 'Are you looking for somewhere near a particular venue? For example, the Folk Museum, Gonville and Caius College, or Holy Trinity Church.'
User: 'no'
System: 'HK Fusion is an outstanding restaurant. It's in the Cherry Hinton part of town. It's in the cheap price range.'
User: 'nosie sil'
System: 'HK Fusion, which is in the Cherry Hinton part of town, is a great restaurant. It's in the cheap price range.'
User: 'its in the cherry hinton area'
System: 'HK Fusion, which is in the Cherry Hinton part of town, is a great restaurant. It's in the cheap price range.'
User: 'what is the address'
System: 'HK Fusion is on 21 Burleigh Street.'
User: 'whats the phone number'
System: 'The phone number of HK Fusion is 01223355909.'
User: 'what type of food do they serve'
System: 'HK Fusion serves chinese food.'
User: 'thank you good bye'


Cheap