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: 'background noise'
System: 'What kind of venue are you looking for? For example, a pub, or a restaurant.'
User: 'we are looking for a fusion restaurant and it should have a cheap price range make sure you get the address and price of the venue'
System: 'The Dojo Noodle Bar, which serves fusion food, is an outstanding restaurant. It's in the cheap price range.'
User: 'oh ok'
System: 'The Dojo Noodle Bar is on Miller's Yard. The price for main courses ranges from 5 pounds 70 to 7 pounds.'
User: 'where is it'
System: 'The Dojo Noodle Bar is located on Miller's Yard.'
User: 'can you spell it'
System: 'The phone number of the Dojo Noodle Bar is 01223363471.'
User: 'could you spell the address'
System: 'The Dojo Noodle Bar is on Miller's Yard.'
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: 'a thai restaurant'
System: 'Let me confirm. You are looking for a thai venue.'
User: 'yes'
System: 'What kind of price range are you looking for? For example, expensive, or free.'
User: 'i dont care'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, King's Hedges, or Romsey area.'
User: 'i dont care'
System: 'The Wrestlers, which serves thai food, is an outstanding restaurant.'
User: 'whisperingunintelligible'
System: 'The Wrestlers, which serves thai food, is a great restaurant.'
User: 'can you please give me the address and the price'
System: 'The Wrestlers is on 337 Newmarket Road. The price for main courses ranges from 8 pounds 50 to 9 pounds 70 and the price for a cheapest pint of beer is 3 pounds 30.'
User: 'sil'
System: 'The Wrestlers is a great restaurant.'
User: 'thank you good bye'

[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: 'im looking for a moderately priced japanese restaurant'
System: 'Yippee Noodle Bar, which serves chinese take away and japanese food, is a great restaurant. It's in the moderate price range.'
User: 'whats the address and area of the venue'
System: 'Yippee Noodle Bar is on 7-9 King Street.'
User: 'sil'
System: 'Yippee Noodle Bar is an outstanding restaurant.'
User: 'sil'
System: 'Yippee Noodle Bar, which serves chinese take away and japanese food, is a great restaurant. It's in the moderate price range.'
User: 'whats'
System: 'Are you looking for somewhere near a particular venue? For example, the Botanic Gardens, the Gallery at twelve A High Street, or Sheep's Green.'
User: 'whats the address'
System: 'Yippee Noodle Bar is on 7-9 King Street.'
User: 'no whats the address of the restaurant'
System: 'Teri-Aki is a great restaurant and it serves japanese food. It's in the moderate price range.'
User: 'what area is it in'
System: 'Teri-Aki, which is in the riverside part of town, is on 6-8 Quayside.'
User: 'thank you good bye'

[EX A]:
Moderate