You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

[EX Q]: Sentence1: A hotel that has free parking and in the north part of town. I would like one in the moderate price range. Sentence2: Yes, I'd like the phone number and postcode. Sentence3: The phone number is 01223902091 and the postcode is cb43ax. Sentence4: Where do I get info on hotels? Sentence5: The Riverboat Georgina would work. It's in the north. Do you need more information? Sentence6: Yes please book the The Ashley Hotel for 7 people and 2 nights starting from wednesday. Sentence7: Yeah, happy to assist. Let us know if there is anything else you need. Sentence8: Have a great day! Sentence9: I really have to run. I'm late for work. Goodbye. Sentence10: Okay thank you that is all I need. Sentence11: You can get information here, through our help desk. Sentence12: I was successful in making your reservation. Your reference number is 2W4KNZYJ . Is there anything else I can help you with? Sentence13: I would also like to find a boat attraction in the same area. Sentence14: The Ashley Hotel and the Lovell Lodge meet that criteria, would you like me to book one of them for you? Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: That should do. I am also looking for a place to dine. The restaurant should serve Chinese food and should be in the expensive price range Sentence2: Can you help me find an interesting place to visit on the east side of town? Sentence3: Sure do, know of any interesting ones on the east side? Sentence4: Yes, I would like it to be in the east. Sentence5: That is all, thank you! Sentence6: cb13ef. Anything else? Sentence7: I can. Do you like museums? Sentence8: The Yu Garden has fabulous food. Can I book a table there for you? Sentence9: I have many choices. Do you have an area preference? Sentence10: I'm sorry, could I get the postcode to Cambridge Artworks? Sentence11: I'm sorry I have to go now! Bye! Sentence12: Absolutely. You can reach Yu Garden at 01223248882. Is there anything else I can help with today? Sentence13: I also need to get the phone number for the restaurant. Sentence14: Okay great. Glad I could be of help. Sentence15: We have the Cambridge Artworks, the Cambridge Museum of Technology, and several galleries. Sentence16: Thanks for contacting the Cambridge TownInfo Centre and have a great day! Question: Who has spoken the sentence 15? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Please book that one for 7 people. Sentence2: I also need a place to stay in the east area. Sentence3: No, that will be all. Thank you! Sentence4: Thank you for using Cambridge TownInfo. Goodbye! Sentence5: How about on Monday? Any train leaving after 19:00? Sentence6: I would recommend TR6223 which leaves Leicester at 19:09 and arrives in Cambridge by 20:54. Sentence7: I have 7 places to stay in the east. Did you have a certain price range or other preferences? Sentence8: There is a train leaving at 5:09 on Friday and arriving at 6:54. Sentence9: I have the warkworth house located at warkworth terrace. Would you like reservations? Sentence10: Yes please for 7 people and 2 nights starting on Friday. Sentence11: Done! Your reference number is 02RUTRTJ . Can I help you with anything else? Sentence12: Need to know the train schedule from leicester to cambridge Sentence13: I would like a 4 star hotel in the moderate price range that includes free parking. Sentence14: Your booking was successful. Your reference number is X16ZO0Y8 . Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]:
Answer: (B) System