Detailed Instructions: 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.
See one example below:
Problem: 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 coffee shop'
System: 'Are you looking for somewhere near a particular venue? For example, Cambridge Contemporary Art, Great Saint Mary's Church, or Primavera.'
User: 'no im not'
System: 'Cafe Eleven, which is in the moderate price range, is an outstanding cafe.'
User: 'can i get the phone number and the postcode'
System: 'The phone number of Cafe Eleven is 01223369157. It's in the area with the postcode CB1 1DG.'
User: 'thank you goodbye'

Solution: Moderate
Explanation: The user mentions that they are looking for a moderately priced coffee shop.

Problem: 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 pub.'
User: 'background noise'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'background noise'
System: 'What kind of venue are you looking for? For example, a cafe, or a pub.'
User: 'a restaurant'
System: 'What part of town do you have in mind? For example, something in the Arbury, Fen Ditton, or Girton area.'
User: 'restaurant'
System: 'What type of food would you like? For example, pub, English, or Spanish.'
User: 'unintelligible'
System: 'What type of food would you like? For example, Chinese take away, English, or Mediterranean.'
User: 'vegetarian'
System: 'Are you looking for somewhere near a particular venue? For example, the Museum of Classical Archaeology, Sidney Sussex College, or Primavera.'
User: 'sil'
System: 'Are you looking for somewhere near a particular venue? For example, Christ's College, the People's Portraits Exhibition, or the Ruskin Gallery.'
User: 'hello'
System: 'The Rainbow Cafe, which serves traditional and vegetarian food, is a great restaurant.'
User: 'phone number'
System: 'The phone number of the Rainbow Cafe is 01223321551.'
User: 'sil'
System: 'The Rainbow Cafe is an outstanding restaurant.'
User: 'background noise'
System: 'The Rainbow Cafe is a great restaurant.'
User: 'price'
System: 'The Rainbow Cafe is a great venue. The price for main courses ranges from 7 pounds 95 to 10 pounds 95 and the price for a cappuccino is 1 pound 75.'
User: 'background noise'
System: 'The Rainbow Cafe is a great restaurant.'
User: 'background noise'
System: 'The Rainbow Cafe is an outstanding restaurant.'
User: 'background noise'
System: 'What part of town do you have in mind? For example, something in the Cherry Hinton, Chesterton, or King's Hedges area.'
User: 'thank you good bye'

Solution:
Don't Care