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

[Q]: 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
[A]: Answer: (A) User


[Q]: Sentence1: How about TR9382? Sentence2: I would like to leave on Sunday. Sentence3: I think that'll work. I need to reserve two seats, can you help me with that? Sentence4: Booking was successful, the total fee is 7.04 GBP payable at the station. Reference number is : 6NJA0V8R . Sentence5: You're very welcome. Have a great day. Sentence6: Well I need to leave after 14:45, so if it is after that time that'll work. Sentence7: Thank you. That's all I need for now! Sentence8: Hi. I'm looking for a train from ely to cambridge, if there is one. Sentence9: TR9823 will leave at 15:35, how does that sound? Sentence10: Okay, what day do you want to leave? Question: Who has spoken the sentence 5? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Yes. Please book for 2 people. Sentence2: Your passage has been booked. 16.16 GPB will be payable at the station and your reference number is ZVFTQ0X3 . Will that be all? Sentence3: Can I please book a train to bishops stortford on saturday? Sentence4: Does the Kirkwood House include free parking? Sentence5: I don't care about price. It needs to be in the north, however. Sentence6: I'd like to leave Cambridge and arrive by 17:30. Sentence7: We have many guesthouses located in the north, many of which are 4 stars. May I recommend the Kirkwood House located in the north for a moderate price with 4 stars? Sentence8: Where would you like to depart from? Sentence9: I have the TR0121 train available. It departs from Cambridge at 15:29 and arrives at Bishops Stortford at 16:07. Would you like to book a ticket? Sentence10: Yes it most certainly does. Sentence11: May I ask a price range that you would like? Sentence12: Thank you. I also need help finding a place to stay. I'd prefer a guesthouse with free wifi Question: Who has spoken the sentence 10? (A) User (B) System
[A]:
Answer: (A) User