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

[Q]: Sentence1: Hmm. What about museums? Sentence2: Booking completed! Your contact number is 07349924614. The car type is a black ford. Can I help you with anything else? Sentence3: I don't care about wifi or parking. To be honest, I don't care what area it is in, either. What would you pick? Sentence4: Cambridge and county folk museum is available, would you like that? Sentence5: Can you tell what time you want to be picked up and at which location? Sentence6: I'm also looking for an attraction preferably on a boat in the west. Sentence7: Sure. That sounds good. Can I get their address and postcode please? Sentence8: Thanks! I also need a taxi between both locations, please. Sentence9: Wow that was fast thanks! No, that is all I needed. Hope you have a wonderful day. Sentence10: Sounds nice. What is the address and postcode please? Sentence11: I want to leave the hotel by 23:15. Sentence12: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence13: I'm looking for a moderately priced guest house. Can you recommend one? Sentence14: There are 15 options. Do you have a specific area you would like to stay in? And are you interested in wifi and parking? Sentence15: I would go with the Acorn Guest House if I were choosing a moderately price guesthouse. Sentence16: Sure their address is 2-3 Castle Street and the postcode is cb30aq Sentence17: The address is 154 Chesterton Rd, the postal code is cb41da, is there anything else that I can assist with? Sentence18: There are no boats in the west, can I try something else for you? Question: Who has spoken the sentence 11? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: I have 5 optionsd available,all have WiFi Sentence2: Do you know if any of them offer free wifi? Sentence3: Sure! We have 18 4 star guesthouses, would you like a specific part of town or price range? Sentence4: I'm needing a 4 star guest house today. Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: Fantastic, there are 11 museums in the centre. Can I recommend the Fitzwilliam Museum, if you don't have a preference? Sentence2: Certainly. What time would you like to leave? Sentence3: It doesn't matter, at long as I arrive at the restaurant by 11:15. Sentence4: Thank you for all your help. Sentence5: Yes, could you make it for 11:15, and can you give me the reference number? Sentence6: Glad I could be of assistance. Sentence7: At what time would you like the taxi to arrive? Sentence8: No thank you, that will do for now! Thanks for helping me today! Sentence9: Unfortunately I don't see anything entertainment related in the centre of town. How about another area of the city? Sentence10: I'm looking for a restaurant that serves international food. Sentence11: I would like to find a moderately priced place and I need a reservation for 4 people at 12:15 on a Thursday. Sentence12: That's fine. I'd like to know about museums in the area instead. Sentence13: I am looking for some entertainment, do you know anywhere I could go in the centre of town? Sentence14: Alright, I have booked you a table for 11:15 at the varsity restaurant. Your reference number is HM90EAET . Is there anything else I can help you with? Sentence15: Actually it's from Fitzwilliam Museum to The Varsity Restaurant I want to arrive by the 11:15 booking please. Sentence16: Have a fantastic day! Sentence17: Great. Now can you book a taxi for me between the two places? From The Varsity Restaurant to Fitzwilliam Museum? Sentence18: The postcode is cb21rb. Sentence19: OK, a yellow Lexus will pick you up at the Varsity and get you to the Fitzwilliam by 11:15. The contact number is 07462272535. Can I help with anything else? Sentence20: Fitzwilliam Museum sounds great. What is the postcode? Sentence21: There are three international restaurants in Cambridge. Do you have a price preference? Sentence22: Okay I have the Bloomsbury and the Varsity restaurants. But I was unable to reserve either. Is there another time that would suit you? Question: Who has spoken the sentence 6? (A) User (B) System
[A]:
Answer: (A) User