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

[Q]: Sentence1: Yes, book me for Sunday departing from london kings cross. Sentence2: Your booking is successful. Train is leaving at 07:17 and it costs 151.04 GBP. Your reference number is 5Y7XKAJY . Anything else I can help with? Sentence3: I need a not later than 9:15 train to Cambridge. Sentence4: 8, please Sentence5: How many tickets will you require? Sentence6: It looks like there's a train for Cambridge with an arrival time of 07:07. Would you like me to book that for you? Sentence7: Okay thank you for calling. Don't hesitate to call us again. Sentence8: No thank you that's I need! Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: i want to find a hospital in town Sentence2: No, can I get the phone number, address, and postcode? Sentence3: welcome. at your service next time Sentence4: Addenbrookes Hospital is nearby, at Hills Rd, Cambridge. Do you need a particular department? Sentence5: you are always welcome Sentence6: Great, that's all I need today! Thank you! Sentence7: The phone number is 01223245151, The address is Hills Rd, Cambridge. The Postcode is CB20QQ. Sentence8: Thank you for your help. Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Absolutely. The phone number is 01223357708 and the postcode is cb21sj. Is there anything else I can help you with? Sentence2: I have TR2102 that leaves at 10:01 and arrives by 12:44. The ticket price is 75.10 pounds. And the travel time is 163 minutes. Anything else I can help with? Sentence3: sure! do you like museums? Sentence4: There are hourly trains Friday morning, you could take the TR5408 leaving at 7AM, arriving at 9:44. It costs 75.10 pounds. Does that work? Sentence5: No. I need the train on a thursday and it has to arrive by 13:45. Can you give me the departure time, price, and travel time for that train? Sentence6: Not really but I am departing from Cambridge and going to Birmingham New Street. Sentence7: Absolutely! Do you know which train station you would like to use? Sentence8: I've heard good things about the Primavera. And there is no entrance fee, so that's a bonus! Sentence9: Thanks for using our service today! Sentence10: That sounds great. Can you please provide me with the phone number and postcode. Sentence11: Yes, I enjoy going to museums. Can you recommend one? Sentence12: Hi, can you help me find a train? I'm in the planning stages of a trip there. Sentence13: That is all I needed today have a nice day. Sentence14: Yes, do you have any suggestions of places to go in the centre? Question: Who has spoken the sentence 1? (A) User (B) System
[A]:
Answer: (B) System