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: Sure. Please book for 4 nights starting on the same day. Sentence2: Perfect, thank you! I'm also looking for a guesthouse in the area, preferably in the North. Do you have an option that has free parking? Sentence3: I will go ahead and book that for you. Sentence4: Yes, please. I need 2 tickets. Sentence5: I was able to get 2 tickets. Your total is 28.64 GBP and will be payable at the station. Your reference number is 8UDKCNBU . Sentence6: You're welcome, it was a pleasure serving you! Sentence7: I am leaving from Broxbourne. Sentence8: There are 19 trains running from Broxbourne to Cambridge on Sunday. Is there a particular time when you need to travel? Sentence9: Booking was successful. Your reference number is : I78WB6O9 . Can I help you with anything else today? Sentence10: I'm sorry, how many people would you like to book the room for? Sentence11: I have just the train for you! TR9331 will arrive in Cambridge at 17:32, which is within your desired timeframe. Would you like me to book that for you? Sentence12: We have many in that area with free parking. Might I suggest the acorn guest house? Sentence13: From where are you departing? Sentence14: Can you get me one that'll arrive by 18:30? Sentence15: 2 people, 4 nights, for sunday. Sentence16: I'd like to get to Cambridge by train, but I'm afraid I need to travel on Sunday. Will that be possible? Sentence17: Thank you so much. Can I get the reference number also, please? Sentence18: No. Thanks a bunch! Goodbye Question: Who has spoken the sentence 9? (A) User (B) System

Answer: Answer: (B) System


Question: Sentence1: You have been very helpful. Thank you. goodbye. Sentence2: Yes I certainly can! Your reservation was successful and your booking reference is 5F3KBH78 . Sentence3: Can you make reservations for 6 at 14:30 on Thursday? Sentence4: The J restaurant serves cheap asian oriental food in the centre of town. Their phone number is 01223307581. The address is 86 Regent Street City Centre. Sentence5: Can you tell me about the J Restaurant? Sentence6: Glad to help. Have a great day and enjoy your meal. Good bye. Question: Who has spoken the sentence 4? (A) User (B) System

Answer: Answer: (A) User


Question: Sentence1: Can you look up info for a train ticket? I need to leave cambridge and go to stansted airport thursday at 20:00 Sentence2: Glad to be of service. Have a great day. Sentence3: I'd like to go the the theatre and then maybe out for a drink. Sentence4: I tsounds like to needed to arrive by 20:00 right? If so, TR5476 will get you there by 19:08. Sentence5: get me their post code. i also need a train Sentence6: What is the arrival time, and travel time please? Sentence7: Please book me two tickets and send me the reference number. Thank you Sentence8: The postcode is cb58as. Sentence9: Again, thank you for contacting Cambridge TownInfo Centre. Goodbye. Sentence10: Reference number is : 17XBF5X5 . Is there anything else? Sentence11: Great! That is all that I needed to know. Thank you so much. Sentence12: have yourself a safe journey. Sentence13: Okay, how about the ADC theatre on Park Street? Sentence14: Thanks. That's all I need. Goodbye. Sentence15: You're very welcome! Can I help you with anything else? Sentence16: Is there anything fun to do in the centre? Sentence17: No. That is all for today. Sentence18: I can recommend any of 44 options for you in the centre area, what would you consider to be a day of fun? Sentence19: greate day to youu too Sentence20: how about TR9751? it leaves at 23:40 Sentence21: I'm sorry for the confusion. I actually need to leave after 20:00. Do any trains run on that schedule? Sentence22: You'll arrive at Stansted Airport at 24:08. Total travel time is 28 minutes. Question: Who has spoken the sentence 7? (A) User (B) System

Answer:
Answer: (B) System