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 want to find a contemporary restaurant'
System: 'Let me confirm. You are looking for a contemporary venue.'
User: 'and it should have a cheap price range'
System: 'All Bar One, which serves contemporary food, is an outstanding restaurant. It's in the cheap price range.'
User: 'can you give me the phone number and the price of the venue'
System: 'The phone number of All Bar One is 01223371081. 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 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: 'i would like a cheap pub'
System: 'Are you looking for a venue with a television?'
User: 'yes i am'
System: 'Are you looking for a venue with an internet connection?'
User: 'it doesnt matter'
System: 'The Baron of Beef, which is in the cheap price range, is an outstanding pub.'
User: 'is it in the riverside area'
System: 'I am sorry but there is no information on The Baron of Beef's area.'
User: 'i would like a pub in the riverside area please'
System: 'The Avery is a great pub. It's in the riverside part of town. It's in the cheap price range.'
User: 'and it has a television'
System: 'The phone number of The Avery is 01223323405.'
User: 'does it have a tv'
System: 'The Avery has a television.'
User: 'what is the address'
System: 'The Avery is on 69-73 Regent Street.'
User: 'thank you goodbye'


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: 'hello i am looking for a moderately priced restaurant in barnwell area'
System: 'The Wheatsheaf, which is in the Barnwell part of town, is a great restaurant. It's in the moderate price range.'
User: 'ok so can you please tell me the address and phone number of the restaurant'
System: 'The Wheatsheaf is the only restaurant in the Barnwell area in the moderate price range.'
User: 'what is the address and the phone number'
System: 'The Wheatsheaf is located on Stow Road, Stow-Cum-Quy and its phone number is 01223812196.'
User: 'sil'
System: 'The Wheatsheaf is an outstanding restaurant.'
User: 'ok ah what types of food'
System: 'The Wheatsheaf serves traditional food.'
User: 'ok what type of food unitelligible'
System: 'The Wheatsheaf serves traditional food.'
User: 'ok thank you good bye'


Ex Output:

Moderate