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.

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 moderate priced restaurant in new chesterton'
System: 'Hakka, which is in the New Chesterton part of town, is an outstanding restaurant. It's in the moderate price range.'
User: 'what is the address and phone number'
System: 'Hakka is on 24 Milton Road and its phone number is 01223568988. The price for main courses ranges from 5 pounds to 13 pounds.'
User: 'sil'
System: 'Hakka is an outstanding restaurant.'
User: 'what type of partial'
System: 'Hakka serves chinese food.'
User: 'what type of food'
System: 'Hakka serves chinese food.'
User: 'thank you goodbye'


A: Moderate
****
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 an expensive restaurant in the castle hill area'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, Newnham, or Romsey area.'
User: 'ah castle hill area'
System: 'What type of food would you like? For example, Drinks and snacks only, Continental, or International.'
User: 'ah doesnt matter'
System: 'Let me confirm. You don't care about the food and you are looking for a venue.'
User: 'expensive restaurant'
System: 'Let me confirm. You don't care about the food and you are looking for a venue.'
User: 'yes venue'
System: 'Are you looking for somewhere near a particular venue? For example, the Book and Print Gallery, Christ's College, or Pembroke College.'
User: 'no'
System: 'Blue Spice, which is in the expensive price range, is a great restaurant.'
User: 'ah sounds good whats the price'
System: 'Blue Spice is an outstanding venue. The price for main courses ranges from 12 pounds 50 to 12 pounds 50.'
User: 'and whats the phone number'
System: 'The phone number of Blue Spice is 01223413337.'
User: 'thank you good bye'


A: Expensive
****
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 thai restaurant'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or free.'
User: 'expensive'
System: 'Are you looking for somewhere near a particular venue? For example, the People's Portraits Exhibition, Queens' College, or Sidney Sussex College.'
User: 'do not care'
System: 'There is no restaurant in the Girton area and serving thai food.'
User: 'looking for a thai restaurant'
System: 'There is no restaurant in the Girton area and serving thai food.'
User: 'another area then'
System: 'Would you like a girton area, or you don't care?'
User: 'dont care'
System: 'The Wrestlers is a great restaurant, it serves thai food and it's in the expensive price range.'
User: 'what is the address'
System: 'The Wrestlers, which is in the riverside part of town, is on 337 Newmarket Road.'
User: 'what is the phone number'
System: 'The phone number of The Wrestlers is 01223566554.'
User: 'what is the postal code'
System: 'The Wrestlers is in the area with the postcode CB5 8JE.'
User: 'unintelligible'
System: 'The Wrestlers is a great restaurant.'
User: 'thank you goodbye'
System: 'The Wrestlers, which serves thai food, is an outstanding restaurant. It's in the expensive price range.'
User: 'thank you goodbye'


A:
Expensive
****