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: 'moderately priced restaurant'
System: 'What type of food would you like? For example, Contemporary, Mediterranean, or Thai.'
User: 'i dont care'
System: 'Caffe Uno is an outstanding restaurant and it's in the moderate price range.'
User: 'in the kings hedges area'
System: 'The Ranch is a great restaurant and it's in the King's Hedges part of town. It's in the moderate price range.'
User: 'address phone number and postcode'
System: 'The Ranch, which is in the area with the postcode CB4 3JP, is on 100 Histon Road. Its phone number is 01223322772.'
User: 'thank you goodbye'

[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: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, or a restaurant.'
User: 'im looking for a japanese restaurant'
System: 'What kind of price range are you looking for? For example, cheap, or moderate.'
User: 'it doesnt matter'
System: 'What kind of price range are you looking for? For example, cheap, or moderate.'
User: 'i dont care'
System: 'Are you looking for somewhere near a particular venue? For example, the Technology Museum, Downing College, or Williams Art and Antiques.'
User: 'no'
System: 'Yippee Noodle Bar, which serves chinese take away and japanese food, is a great restaurant.'
User: 'i dont care'
System: 'Yippee Noodle Bar is a great restaurant and it serves chinese take away and japanese food.'
User: 'okay can i have the phone number'
System: 'The phone number of Yippee Noodle Bar is 01223518111 and it's in the moderate price range.'
User: 'okay than and what is the average price'
System: 'Yippee Noodle Bar is an outstanding venue. The price for main courses ranges from 7 pounds 30 to 11 pounds 40.'
User: 'okay 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: 'sil'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'im looking for an english restaurant'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'im looking for an english restaurant any expensive'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'expensive expensive'
System: 'The Backstreet Bistro, which serves contemporary and english food, is an outstanding restaurant. It's in the expensive price range.'
User: 'expensive'
System: 'The Backstreet Bistro is a great restaurant, it serves contemporary and english food and it's in the expensive price range.'
User: 'what is the address and postcode'
System: 'The Backstreet Bistro is located on 2 Sturton Street and it's in the area with the postcode CB1 2QA.'
User: 'what is the address and postcode'
System: 'The Backstreet Bistro, which is in the area with the postcode CB1 2QA, is located on 2 Sturton Street.'
User: 'okay thank you goodbye'

[EX A]:
Expensive