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

[Q]: Sentence1: What is your departure point? Sentence2: What time do you need to leave by? Sentence3: I am looking for a train to cambridge. I would like something on sunday to arrive by 18:30 Sentence4: I just want to get there at or shortly before 18:30. Sentence5: I'd like to recommend whipple museum of the history of science, at free school lane. Admission is free. Sentence6: Yes it is their full address and the postcode is cb23rh and their telephone number is 01223330906. May I help you with anything else today? Sentence7: Thank you. That is all that I need. Sentence8: i place want a place to go in the centre Sentence9: I found the perfect train! TR7771 will get you there at 18:24. Would you like me to book this for you? Sentence10: Ok, your booking is complete for 6 people. The cost is 79.19 GBP, payable at the station. The reference number is 8W0OSFM6 . Sentence11: I would like a museum in the centre please. Sentence12: What are you into? Do you like theatre? Museums? We have plenty of attractions in the centre and if you tell me what you enjoy I can recommend one Sentence13: My departure will be from Cambridge. Sentence14: Okay. Glad I could be of help. Sentence15: Is that the full address for the museum? Free School Lane? Sentence16: I need to go to Peterborough. Sentence17: Yes, please book me for 6 people. My birdwatching club is taking a trip together. Sentence18: And what is your destination city? Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: It's cb12bd. Anything else I can get you? Sentence2: How about something in the south and moderate price range? Sentence3: I'll take Rice House, what's the postcode? Sentence4: There are 3 cheap chinese restaurants in the centre of town: Charlie Chan, Rice House, or Golden House. Would you like me to book any of these? Sentence5: Sure let's try chinese food. Sentence6: I was not able to find any restaurants matching your requirements. Sentence7: I'm still not finding anything. Would you like me to search a different part of town or a different food type? Sentence8: You're welcome. Have a great day! Sentence9: That's all. Thank you. Sentence10: I am looking for a cheap gastropub restaurant in the centre of town Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Which one includes free parking? I don't need internet included. Sentence2: Does Finches Bed and Breakfast have free wifi? Since they both have free parking, I might as well go with the cheaper price. Sentence3: Both of them have free parking. Sentence4: Certainly! What time of day would you like to travel, and what are your departure and arrival locations? Sentence5: Good news! Booking was successful. Reference number is : G3504UR7 . Sentence6: Yes that would be perfect! Can I please get it for 3 people, 4 nights and We'll be there by Wednesday Sentence7: That train leaves at 11:11. Travel time is 47 minutes. Sentence8: There are two guesthouses on the west side: Finches Bed and Breakfast, with a cheap price point, and Hobsons House, with a moderate price point. Would you be interested in either of these? Sentence9: Thank you very much for your help. Sentence10: No, I just need the departure time. How long of a trip is it? Sentence11: I need to book a guesthouse in the west of cambridge, are there any? Sentence12: Yes, they have internet as well. Would you like to book this room for you? Sentence13: If you need help with anything else, please don't hesitate to contact us. Enjoy your travels. Sentence14: Will be leaving Cambridge & going to Kings Lynn. Wanted to arrive by 12:00. Sentence15: Sure, TR8704 arrives at 11:58, can I book a seat for you? Sentence16: Fantastic, I'd also like a train leaving on Sunday, please. Question: Who has spoken the sentence 12? (A) User (B) System
[A]:
Answer: (A) User