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.

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 near the kings hedges area'
System: 'The Ranch, which is in the King's Hedges part of town, is a great restaurant. It's in the moderate price range.'
User: 'whats the address phone number and type of food'
System: 'The Ranch is located on 100 Histon Road. Its phone number is 01223322772.'
User: 'what type of food do they serve'
System: 'The Ranch serves american food.'
User: 'thank you goodbye'

Moderate

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 turkish restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, All Saints Church, Clare College, or the Gallery at twelve A High Street.'
User: 'i dont care'
System: 'The Agora is a great restaurant and it serves turkish food.'
User: 'what is the phone number'
System: 'The phone number of The Agora is 01223308448.'
User: 'what is the area'
System: 'The Agora is in the central part of town.'
User: 'thank you goodbye'

Don't Care

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: 'sil'
System: 'What kind of venue are you looking for? For example, a cafe, a pub, or a restaurant.'
User: 'im looking for a contemporary restaurant'
System: 'What kind of price range are you looking for? For example, cheap, or free.'
User: 'ah contemporary'
System: 'What kind of price range are you looking for? For example, cheap, or expensive.'
User: 'cheap'
System: 'All Bar One is a great restaurant, it serves contemporary food and it's in the cheap price range.'
User: 'cheap'
System: 'All Bar One, which serves contemporary food, is an outstanding restaurant. It's in the cheap price range.'
User: 'what is phone number'
System: 'All Bar One, which serves contemporary food, is an outstanding restaurant. It's in the cheap price range.'
User: 'what is the phone number'
System: 'The phone number of All Bar One is 01223371081.'
User: 'what is the phone number'
System: 'The phone number of All Bar One is 01223371081.'
User: 'what are the prices'
System: 'All Bar One is in the cheap price range.'
User: 'what are the prices'
System: 'All Bar One is an outstanding venue. The price for main courses ranges from 7 pounds 95 to 12 pounds 95 and the price for a glass of wine ranges from 2 pounds 85 to 6 pounds 95.'
User: 'what are the prices'
System: 'All Bar One is in the cheap price range. The price for main courses ranges from 7 pounds 95 to 12 pounds 95 and the price for a glass of wine ranges from 2 pounds 85 to 6 pounds 95.'
User: 'thank you and goodbye'


Cheap