TASK DEFINITION: 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.
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 restaurant in new chesterton i dont care about the price'
System: 'What type of food would you like? For example, East asian, Contemporary, or Continental.'
User: 'contemporary'
System: 'There is no restaurant in the New Chesterton area and serving contemporary food.'
User: 'do you have another restaurant in the new chesterton area'
System: 'There is no restaurant in the New Chesterton area and serving contemporary food.'
User: 'sil'
System: 'Hakka, which is in the New Chesterton part of town, is an outstanding restaurant.'
User: 'sil'
System: 'What type of food would you like? For example, Chinese take away, Chinese, or Contemporary.'
User: 'what is the phone number and address'
System: 'Hakka is located on 24 Milton Road. Its phone number is 01223568988. The price for main courses ranges from 5 pounds to 13 pounds.'
User: 'chinese'
System: 'Hakka, which is in the New Chesterton part of town, is an outstanding restaurant. It serves chinese food.'
User: 'thank you goodbye'


SOLUTION: Don't Care

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: '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'


SOLUTION: Moderate

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: 'japanese restaurant'
System: 'Are you looking for somewhere near a particular venue? For example, the Broughton House, Holy Trinity Church, or Trinity College.'
User: 'no'
System: 'Blue Spice, which serves indian food, is an outstanding restaurant.'
User: 'i dont care'
System: 'What kind of price range are you looking for? For example, cheap, expensive, or moderate.'
User: 'japanese restaurant'
System: 'Yippee Noodle Bar is a great restaurant and it serves chinese take away and japanese food.'
User: 'moderate'
System: 'Yippee Noodle Bar is an outstanding restaurant and it serves chinese take away and japanese food. It's in the moderate price range.'
User: 'address'
System: 'Yippee Noodle Bar is located on 7-9 King Street.'
User: 'phone number'
System: 'The phone number of Yippee Noodle Bar is 01223518111.'
User: 'postcode'
System: 'Yippee Noodle Bar is in the area with the postcode CB1 1LH.'
User: 'thank you goodbye'


SOLUTION:
Moderate