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: 'i am looking for a restaurant in fen ditton and i dont care about the price range'
System: 'What kind of price range are you looking for? For example, expensive, free, or moderate.'
User: 'i do not care'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'restaurant'
System: 'What type of food would you like? For example, Cafe food, Middleeastern, or Seafood.'
User: 'i do not care'
System: 'What part of town do you have in mind? For example, Castle Hill, or Cherry Hinton.'
User: 'hoodington'
System: 'Let me confirm. You are looking for a venue in the Trumpington area.'
User: 'no im looking for a restaurant in hoodington'
System: 'Let me confirm. You don't care about the food and you are looking for a venue.'
User: 'thank you good bye'


A: Don't Care
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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 japanese restaurant in the moderate price range'
System: 'Yippee Noodle Bar is an outstanding restaurant. It serves chinese take away and japanese food. It's in the moderate price range.'
User: 'whats the price of it'
System: 'Yippee Noodle Bar is a great venue. The price for main courses ranges from 7 pounds 30 to 11 pounds 40.'
User: 'whats the phone number'
System: 'The phone number of Yippee Noodle Bar is 01223518111.'
User: 'thank you goodbye'


A: Moderate
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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: 'looking for a greek restaurant in the expensive price range'
System: 'The Varsity, which serves greek food, is an outstanding restaurant. It's in the expensive price range.'
User: 'can i get the address and the area'
System: 'The Varsity is on 35 Saint Andrew's Street. The price for main courses ranges from 9 pounds 95 to 18 pounds 95.'
User: 'what area is the venue in'
System: 'The Varsity is in the Girton part of town.'
User: 'thank you good bye'


A:
Expensive
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