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: 'ill give you an answer and then give us a feedback'
System: 'Are you looking for somewhere near a particular venue? For example, Cherry Hinton Water Play, Jesus College, or Wandlebury Country Park.'
User: 'no im looking for a middle eastern restaurant'
System: 'Al Casbah, which serves mediterranean and middleeastern food, is a great restaurant.'
User: 'ok whats the address phone number and post code'
System: 'Al Casbah, which is in the area with the postcode CB1 2AS, is on 62 Mill Road. Its phone number is 01223579500.'
User: 'ok 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: 'turkish restaurant moderate price range'
System: 'What type of food would you like? For example, Mexican and Tex Mex, American, or Fusion.'
User: 'turkish'
System: 'What part of town do you have in mind? For example, something in the Newnham, riverside, or Romsey area.'
User: 'i dont care'
System: '196 Meze Bar is a great restaurant and it serves turkish food. It's in the moderate price range.'
User: 'phone number'
System: 'The phone number of 196 Meze Bar is 01223410519.'
User: 'price'
System: '196 Meze Bar is a great venue. The price for main courses ranges from 10 pounds to 12 pounds 50 and the price for a cheapest glass of wine is 2 pounds 90 and the price for a cappuccino is 1 pound 80.'
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: 'um i want to find a restaurant in newnham'
System: 'Are you looking for a pub or a restaurant?'
User: 'restaurant'
System: 'What kind of price range are you looking for? For example, expensive, or moderate.'
User: 'expensive'
System: 'What type of food would you like? For example, English, Indian, or Spanish.'
User: 'indian'
System: 'Blue Spice, which serves indian food, is an outstanding restaurant. It's in the expensive price range.'
User: 'can i get the address'
System: 'Blue Spice is on Unit F1, Cambridge Leisure Park, Clifton Way.'
User: 'thank you good bye'


Don't Care