You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: I sure can. What type of place are you looking for? Sentence2: I'm looking for a place to stay, can you help me out? Sentence3: I'm looking for a guesthouse that's moderately priced. Sentence4: Please provide me with attraction type preference that you may have so that I can narrow down to a few choices. Sentence5: There are 11 options which fit your requirements. What part of town do you prefer? Sentence6: Thank you very much. I think that is all the information I need today! Sentence7: Perfect I have you booked at the Avalon for 5 nights and 5 people, the reference number is I3B3EKYI . Is there anything else I can help you with? Sentence8: Preferably in the centre. Would like a reservation for 5 people, for 5 nights beginning Wednesday. Also looking for places to go in the centre as well. Sentence9: Sure, let us try the North. Sentence10: I need it in the centre and you can make a suggestion. Sentence11: I would either recommend Avalon or Limehouse. Both are great guesthouses. Which of those would you like me to book for you? Sentence12: Please give me their phone number and postcode Sentence13: Do you have a specific area or attraction type in mind? Sentence14: I would like to be in the centre, please provide me with an entrance fee, a phone number and post code. Sentence15: There are no places to stay in Centre matching your request. Would you like to try another part of town? Sentence16: Something moderately priced, but a 4 star accommodation. And I would like free wifi too please. Sentence17: I'm also looking for places to go around town Sentence18: You are welcome. Enjoy your trip. Goodbye Sentence19: Let's go with the Avalon. Could you make it for 5 people for 5 nights? We want to arrive Wednesday. Sentence20: Ruskin gallery is a museum in the centre of town and very popular. The entreance is free. Sentence21: That's great information, but so many options! Is there a part of town that you would like to stay or other amenities you would like to have while in town? Sentence22: The phone number is 01245493131 and post code is cb11pt. Question: Who has spoken the sentence 12? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: I am planning a trip in Cambridge. I'm looking for a train. Sentence2: no, that is all. Thanks, goodbye. Sentence3: It will cost you 17.90 Sentence4: Where are you departing from? Sentence5: I would suggest this one the golden curry. Sentence6: your all set! Reference # is TKNF8H2H . Anything else today? Sentence7: I am departing from Broxbourne and I would like the train to arrive by 10:00. What is the price for this? Sentence8: sure what day are you traveling? Sentence9: Have a great day. Sentence10: Please book that one for 8 people on Friday at 17:00. Sentence11: No thanks. I just need the price per ticket. Sentence12: The TR5570 train will work. Would you like me to book you passage? Sentence13: Okay thank you, I'm also looking for an Indian restaurant in the east that is expensive. Sentence14: I plan to travel on friday. Question: Who has spoken the sentence 6? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: Alright, have a nice day. Sentence2: I am departing from Cambridge and would like to be in Birmingham New Street by 20:45 at the latest. Sentence3: A later train would be better, what trains arrive around 20:00? Sentence4: The earliest train available is train TR4975 which departs at 5:01 and arrives at 7:44. Can I book that for you? Sentence5: Cafe jello gallery's post code is cb30af. Sentence6: That would be train TR5867 departing at 18:01 and arriving at 20:44. Would this work better for you? I can help you book this one if you like. Sentence7: Where are you leaving from? Sentence8: I'm also looking for a train that goes to Birmingham New Street and leaves on Saturday Sentence9: Greetings, I am looking for a museum to visit on the west side of town. Sentence10: The closest arrival to 20:00 is TR2815, departing at 18:01 and arriving at 19:44. There is also one arriving at 20:44. Would that be preferable? Sentence11: Can I get the postcode for that museum please? Sentence12: That won't be necessary. Thank you for your help that is all I need today. Sentence13: You can find the cafe jello gallery at 13 magdalene street and it's free! Sentence14: What is the departure time for the one arriving at 20:44? Question: Who has spoken the sentence 1? (A) User (B) System

Answer:
Answer: (B) System