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: 'i want a cheap restaurant in the city center area'
System: 'What type of food would you like? For example, Cafe food, Chinese, or Seafood.'
User: 'i dont care'
System: 'La Raza is a great restaurant and it's in the cheap price range.'
User: 'can i get the address phone number and post'
System: 'La Raza is located on 4-6, The Basement, Rose Crescent and its phone number is 01223464550. The price for main courses ranges from 1 pound 95 to 13 pounds 95 and the entrance for adults is 4 pounds.'
User: 'thank you good bye'
System: 'La Raza is a great restaurant.'
User: 'thank you good bye'

[EX A]: Cheap

[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'
System: 'What kind of venue are you looking for? For example, a cafe.'
User: 'for a restaurant unintelligible0'
System: 'What type of food would you like? For example, Contemporary, Greek, or Traditional.'
User: 'traditional'
System: 'What part of town do you have in mind? For example, something in the central, King's Hedges, or Trumpington area.'
User: 'breathing'
System: 'What part of town do you have in mind? For example, something in the Castle Hill, New Chesterton, or Trumpington area.'
User: 'is it expensive price range'
System: 'The Riverside Restaurant, which serves traditional food, is a great restaurant. It's in the expensive price range.'
User: 'and the address'
System: 'The Granta Bar is on University Centre, Granta Place and its phone number is 01223902174. The price for main courses ranges from 14 pounds 95 to 16 pounds 95.'
User: 'and postcode of the venue'
System: 'The Riverside Restaurant is in the area with the postcode CB2 1RU.'
User: 'thank you good bye'

[EX A]: Expensive

[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: 'i am looking for a restaurant'
System: 'What part of town do you have in mind? For example, something in the Arbury, King's Hedges, or riverside area.'
User: 'cherry hinton'
System: 'What type of food would you like? For example, French, Japanese, or Thai.'
User: 'english'
System: 'There is no restaurant in the Cherry Hinton area and serving english food.'
User: 'how about chinese'
System: 'HK Fusion, which is in the Cherry Hinton part of town, is an outstanding restaurant.'
User: 'what price range is it'
System: 'HK Fusion is in the cheap price range. The price for main courses ranges from 5 pounds to 8 pounds.'
User: 'what is its address'
System: 'HK Fusion is located on 21 Burleigh Street.'
User: 'what is its phone number'
System: 'The phone number of HK Fusion is 01223355909.'
User: 'thank you good bye'

[EX A]:
Don't Care