instruction:
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.
question:
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: 'expensive restaurant in the castle hill area'
System: 'What type of food would you like? For example, Indian, Mediterranean, or Spanish.'
User: 'expensive restaurant in the castle hill area'
System: 'Let me confirm. You are looking for a venue in the cheap price range.'
User: 'no expensive'
System: 'What part of town do you have in mind? For example, something in the central, Girton, or King's Hedges area.'
User: 'castle hill'
System: 'Let me confirm. You don't care about the location and you are looking for a venue.'
User: 'castle hill area expensive restaurant what is the phone number and address'
System: 'Blue Spice, which is in the expensive price range, is a great restaurant.'
User: 'is that in the castle hill area'
System: 'Blue Spice is on Unit F1, Cambridge Leisure Park, Clifton Way and its phone number is 01223413337.'
User: 'is that in the castle hill area'
System: 'Let me confirm. You don't care about the location. You are looking for a venue.'
User: 'thank you have a good day'

answer:
Expensive


question:
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: 'unintelligible'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'unintelligible'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'background noise'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'a moderately priced restaurant in a chesterton area'
System: 'What part of town do you have in mind? For example, King's Hedges, or New Chesterton.'
User: 'chesterton'
System: 'Twenty-four, which is in the Chesterton part of town, is an outstanding restaurant. It's in the moderate price range.'
User: 'whats the address'
System: 'Twenty-four is on 24 Cambridge Science Park, Milton Road.'
User: 'whats the phone number'
System: 'The phone number of Twenty-four is 01223395800.'
User: 'thank you good bye'

answer:
Moderate


question:
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: 'breathing unintelligible'
System: 'Are you looking for a venue that allows children?'
User: 'noise sil'
System: 'What kind of price range are you looking for? For example, cheap, or moderate.'
User: 'no breathing thank you good bye thank you good bye thank you good bye'
System: 'Are you looking for a venue with a television?'
User: 'thank you good bye'

answer:

Expensive