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 would like an expensive restaurant in the romsey area'
System: 'The Backstreet Bistro is a great restaurant, it's in the Romsey part of town and it's in the expensive price range.'
User: 'what is the price'
System: 'The Backstreet Bistro is a great venue. The price for main courses ranges from 10 pounds 95 to 14 pounds 25.'
User: 'what is the address'
System: 'The Backstreet Bistro is located on 2 Sturton Street.'
User: 'thank you bu 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 moderately priced restaurant in the trumpington area'
System: 'The Unicorn Steak and Ale House, which is in the Trumpington part of town, is a great restaurant. It's in the moderate price range.'
User: 'can i have the phone number and price'
System: 'The phone number of The Unicorn Steak and Ale House is 01223845102. The price for main courses ranges from 4 pounds 50 to 10 pounds and the price for a cheapest pint of beer is 3 pounds.'
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: 'noise sil'
System: 'Let me confirm. You are looking for a venue with no entrance fee.'
User: 'what is an east asian restaurant thats moderately priced'
System: 'Would you like a venue with a free or moderate price range?'
User: 'moderate'
System: 'Little Seoul, which serves east asian food, is a great restaurant. It's in the moderate price range.'
User: 'what is the address'
System: 'Little Seoul is on 108 Regent Street. The price for main courses ranges from 6 pounds 90 to 7 pounds 90.'
User: 'what is the address'
System: 'Little Seoul is located on 108 Regent Street.'
User: 'what is the phone number'
System: 'The phone number of Little Seoul is 01223308681.'
User: 'what is the area'
System: 'Little Seoul is in the riverside part of town.'
User: 'thank you good bye'


A:
Moderate
****