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.

[EX 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 cafe, or a restaurant.'
User: 'noise sil'
System: 'What kind of venue are you looking for? For example, a cafe.'
User: 'i would like a'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'a moderate priced restaurant in unintelligible'
System: 'Would you like a venue with a cheap or moderate price range?'
User: 'moderate priced restaurant in chesterton'
System: 'Twenty-four, which is in the Chesterton part of town, is a great restaurant. It's in the moderate price range.'
User: 'moderate'
System: 'Twenty-four, which is in the Chesterton part of town, is an outstanding restaurant. It's in the moderate price range.'
User: 'what is the phone number and address'
System: 'Twenty-four is located on 24 Cambridge Science Park, Milton Road and its phone number is 01223395800. The price for main courses ranges from 6 pounds to 15 pounds.'
User: 'what is the phone number and address'
System: 'The phone number of Twenty-four is 01223395800.'
User: 'thank you good bye'

[EX A]: Moderate

[EX 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 a restaurant in new chesterton i dont care about the price'
System: 'What type of food would you like? For example, East asian, Contemporary, or Continental.'
User: 'contemporary'
System: 'There is no restaurant in the New Chesterton area and serving contemporary food.'
User: 'do you have another restaurant in the new chesterton area'
System: 'There is no restaurant in the New Chesterton area and serving contemporary food.'
User: 'sil'
System: 'Hakka, which is in the New Chesterton part of town, is an outstanding restaurant.'
User: 'sil'
System: 'What type of food would you like? For example, Chinese take away, Chinese, or Contemporary.'
User: 'what is the phone number and address'
System: 'Hakka is located on 24 Milton Road. Its phone number is 01223568988. The price for main courses ranges from 5 pounds to 13 pounds.'
User: 'chinese'
System: 'Hakka, which is in the New Chesterton part of town, is an outstanding restaurant. It serves chinese food.'
User: 'thank you goodbye'

[EX A]: Don't Care

[EX 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: 'yes im looking for an italian restaurant'
System: 'Let me confirm. You are looking for an italian venue.'
User: 'yes'
System: 'What kind of price range are you looking for? For example, free, or moderate.'
User: 'expensive'
System: 'What kind of price range are you looking for? For example, expensive, free, or moderate.'
User: 'expensive'
System: 'Are you looking for somewhere near a particular venue? For example, Jesus College, Saint Catharine's College, or Trinity College.'
User: 'dont care'
System: 'The Sorrento is a great restaurant, it serves italian food and it's in the expensive price range.'
User: 'whats the address'
System: 'The Sorrento is located on 196 Cherry Hinton Road.'
User: 'whats the phone number'
System: 'The phone number of The Sorrento is 01223243533.'
User: 'whats the postcode'
System: 'The Sorrento is in the area with the postcode CB1 7AN.'
User: 'thank you good bye'

[EX A]:
Expensive