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 Input:
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 greek restaurant in a moderate price range'
System: 'The Eraina Taverna, which serves greek food, is a great restaurant. It's in the moderate price range.'
User: 'and whats the phone number'
System: 'The phone number of the Eraina Taverna is 01223902126.'
User: 'and whats the address'
System: 'The Eraina Taverna is on 2 Free School Lane.'
User: 'ok thank you good bye'


Ex Output:
Moderate


Ex Input:
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 price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'japanese restaurant'
System: 'Let me confirm. You are looking for a japanese venue.'
User: 'japanese restaurant'
System: 'What kind of price range are you looking for? For example, cheap, free, or moderate.'
User: 'moderate'
System: 'Are you looking for somewhere near a particular venue? For example, Castle Galleries, King's College, or Queens' College.'
User: 'i dont care'
System: 'Yippee Noodle Bar, which serves chinese take away and japanese food, is an outstanding restaurant. It's in the moderate price range.'
User: 'what is the address'
System: 'Yippee Noodle Bar is on 7-9 King Street.'
User: 'what is the price'
System: 'Yippee Noodle Bar is a great venue. The price for main courses ranges from 7 pounds 30 to 11 pounds 40.'
User: 'thank you good bye'


Ex Output:
Moderate


Ex Input:
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 cafe, or a restaurant.'
User: 'yeah im looking for a pub food restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, Churchill College, the Gallery at twelve A High Street, or the Regency Gallery.'
User: 'background noise'
System: 'The Fountain Inn, which serves pub food, is a great restaurant.'
User: 'yeah hi uh im looking for'
System: 'The Fountain Inn is a great restaurant. It serves pub food.'
User: 'ok can i have address'
System: 'The Fountain Inn is located on 12 Regent Street.'
User: 'ok the address please'
System: 'The Fountain Inn is located on 12 Regent Street.'
User: 'ok and the price range'
System: 'The Fountain Inn is a great venue. The price for main courses ranges from 4 pounds 95 to 7 pounds 95 and the price for a glass of wine ranges from 3 pounds to 4 pounds 50 and the price for a cheapest pint of beer is 2 pounds.'
User: 'the price range'
System: 'The Fountain Inn is a great venue. The price for main courses ranges from 4 pounds 95 to 7 pounds 95 and the price for a glass of wine ranges from 3 pounds to 4 pounds 50 and the price for a cheapest pint of beer is 2 pounds.'
User: 'ah thank you have a nice day'
System: 'The Fountain Inn is an outstanding venue. The price for main courses ranges from 4 pounds 95 to 7 pounds 95 and the price for a glass of wine ranges from 3 pounds to 4 pounds 50 and the price for a cheapest pint of beer is 2 pounds.'
User: 'breathing'
System: 'The Fountain Inn is a great restaurant.'
User: 'ah thank you good bye'


Ex Output:

Cheap