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: 'i would like to find a moderately priced restaurant in the cherry hinton area'
System: 'Are you looking for somewhere near a particular venue? For example, Christ's College, Kettle's Yard, or the Scott Polar Museum.'
User: 'no'
System: 'What part of town do you have in mind? For example, something in the Arbury, Newnham, or Romsey area.'
User: 'i dont care'
System: 'Caffe Uno, which is in the moderate price range, is a great restaurant.'
User: 'what is the address'
System: 'Caffe Uno is on 32 Bridge Street.'
User: 'of the venue'
System: 'Caffe Uno is a great restaurant.'
User: 'what is the phone number'
System: 'The phone number of Caffe Uno is 01223314954.'
User: 'what is the address'
System: 'Caffe Uno is on 32 Bridge Street.'
User: 'and what is the price of the venue'
System: 'Caffe Uno is a great venue. The price for main courses ranges from 6 pounds 95 to 16 pounds 95 and the price for a glass of wine ranges from 3 pounds 25 to 6 pounds 50.'
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, a pub, or a restaurant.'
User: 'i would like a cheap restaurant in the fen ditton area'
System: 'The Milton Park English and Thai Restaurant, which is in the Fen Ditton part of town, is a great restaurant. It's in the cheap price range.'
User: 'may i have the phone number and address'
System: 'The Milton Park English and Thai Restaurant is on Milton Park Golf Course, Ely Road, Milton and its phone number is 01223864602.'
User: 'thank you good bye'


Ex Output:
Cheap


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 mexican restaurant and it should be very expensive'
System: 'Are you looking for somewhere near a particular venue? For example, Byard Art, Artworks, or Milton Country Park.'
User: 'no'
System: 'Nanna Mexico, which serves mexican and tex mex food, is an outstanding restaurant. It's in the expensive price range.'
User: 'what is the address and pnone number'
System: 'Nanna Mexico is on 33 Regent Street and its phone number is 01223902150.'
User: 'thank you goodbye'


Ex Output:

Expensive