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 have the TR4849 train leaving Ely at 13:35 on Monday. Sentence2: How about cityroomz? It is located in the centre of the city, is moderately priced, has 0 stars, and has free wifi. I think it would be perfect ofor you! Sentence3: Perfect, could you also assist me in finding a place to stay? Sentence4: What will be my arrival time in Cambridge and what is the ticket price, please? Sentence5: You're welcome. Have a great day. Good bye. Sentence6: You are booked and your reference number is QUJQMRK7 . Can I help you with anything else? Sentence7: That is everything, thank you for your help. Sentence8: From where will you be departing? Sentence9: I'm looking for a train that goes to cambridge, leaving after 12:30 on monday Sentence10: I am leaving from Ely. Sentence11: Oh I'm not picky on the area. I definitely need free wifi, moderate price, and 0 stars though. Sentence12: That's perfect I need it booked for 8 people for 5 nights starting on Monday. Sentence13: I sure can. What area would you like to stay? Sentence14: The price is 4.40 pounds. You will arrive at 13:52. Question: Who has spoken the sentence 2? (A) User (B) System

Answer: Answer: (A) User


Question: 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

Answer: Answer: (B) System


Question: Sentence1: Sure, I adjusted that for you, your booking was successful and the ref number is RP2PZDYV . Sentence2: I need to leave after 21:15 on saturday Sentence3: Sure! What day will you be travelling? Sentence4: TR0925 leaves cambridge at 21:00 and arrives in cambridge at 21:51. The price is 18.88 pounds. Would you like me to book it for you? Sentence5: That works I think. Sentence6: Would you like to book a reservation at this time? Sentence7: welcome and have a great day Sentence8: No preference on price and it doesn't have to include parking. Sentence9: Yes. Please book me 2 tickets and provide me a reference number. Sentence10: Yes, I need it for 2 people, staying 3 nights, starting wednesday Sentence11: Great, thank you! Sentence12: Would I be able to get a train from Cambridge to London King's Cross? Sentence13: I'm also looking for a place to stay in the north. I'd like it to have a rating of 4 stars. Sentence14: have a great day too Sentence15: I have the acorn guest house located at 154 chesterton road. Sentence16: Your hotel has been booked! Sentence17: Your reference number is VYR91INX . Is there anything else I can help you with? Sentence18: I need a hotel to stay in for the same group of people just for 1 night though, and a reference number too please Sentence19: thanks for using our service. Sentence20: I have 8 different guesthouses in the north. Do you have a preference on price? Question: Who has spoken the sentence 2? (A) User (B) System

Answer:
Answer: (A) User