TASK DEFINITION: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
PROBLEM: Sentence1: That's all I need for now. thank you very much. Sentence2: Addenbrookes Hospital. The contact number for the paediatric intensive care unit is 01223217715. Sentence3: Can I get the postcode as well? Sentence4: Where's the closest hospital with a paediatric intensive care unit? Sentence5: You are welcome! Have a great day! Sentence6: It looks like the Post Code is CB20QQ. Question: Who has spoken the sentence 5? (A) User (B) System

SOLUTION: Answer: (B) System

PROBLEM: Sentence1: No but I do need a train that will depart from peterborough and should go to cambridge. Sentence2: When would you like to depart or arrive? Sentence3: The ticket price is 16.50 pounds. Would you like me to book that for you? Sentence4: No than kyou. Sentence5: And how much is a ticket? Sentence6: The duration of the train ride is 50 minutes. Sentence7: TR8509 will leave Peterborough at 15:19 and arrive in Cambridge at 16:09. Would you like to book tickets on this train? Sentence8: Ok! Have a great day! Sentence9: Yes, there is. It's located in the centre area and has free admission. Would you like more information about it? Sentence10: Are you sure that there is absolutely nothing else that you need? Sentence11: No, I think I'll hold off on that. That's it for today. Thanks for your help. Have a great day. Sentence12: maybe, what's the duration of the train ride? Sentence13: I need the attraction type and address. Sentence14: I'd like to depart after 15:00 on thursday no preference on arrival. Sentence15: The Scott Polar Museum is a museum located on Lensfield Road. Would you also like their phone number? Sentence16: A friend told me about an attraction called the scott polar museum. Question: Who has spoken the sentence 8? (A) User (B) System

SOLUTION: Answer: (A) User

PROBLEM: Sentence1: Sure, their postcode is cb58sx and their phone number is 01223902112. Can I assist you with anything else today? Sentence2: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence3: Thank you, can I get the postal code and phone number as well? Sentence4: I have many places on the east side. Would you like a museum or maybe a boat? Sentence5: El Shaddai is 0 stars and has internet and parking. How many people will be staying? Sentence6: We have 2 choices city centre north b and b in the north and el shaddai in the centre, both are guesthouses in the cheap range. Sentence7: They both offer free parking but they are both 0 stars. Sentence8: I'm not booking it now, just gathering information which you have provided. Thank you very much! That is all I need. Goodbye. Sentence9: I am looking for places to go in the east side of town. Sentence10: Camboats is available in the east area their address is the plough, green end, fen ditton Sentence11: Alright, I just need to know how many people will be staying there, from what day, and how many nights, please? Sentence12: Whichever one provides free parking and is at least a 4 star will work. Please book and provide a reference number. Sentence13: I would like a boat type. Thank you. Sentence14: Alright pick one then. Sentence15: Does it have internet? Sentence16: Yes. I need a hotel with a star rating of 0 that includes free parking. Question: Who has spoken the sentence 6? (A) User (B) System

SOLUTION:
Answer: (A) User