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

Q: Sentence1: I don't have a preference. Can you recommend one? Sentence2: Thank you that's all the help I need. Goodbye Sentence3: I can work on booking this for you. Sentence4: Sounds great, thanks. I am also looking for a restaurant in the Centre that serves gastropub food. Sentence5: I'm looking to visit a museum in Cambridge. Can you tell me a little about what you have? Sentence6: I would also like to book a taxi to get between the museum and the restaurant. Sentence7: I will make a booking for backstreet bistro,Booking complete here is your reference number T9TB8FBO . Sentence8: I need to arrive at the restaurant by 14:45. I'll need the contact number and car type as well please. Sentence9: Sure. Is there anything else I can assist you with today? Sentence10: It really doesn't matter money is no object. I need a table for 8 on thursday at 14:45. As long as its a gastropub in the centre of town Sentence11: Okay I have booked your taxi. The contact number is 07498867892 and the car is a blue tesla. Sentence12: Cambridge Artworks is a great place and has free entry. Their address and phone number is 5 Greens Road 01223902168. Sentence13: awesome! thanks for all the info Sentence14: There are 23 museums that match that criteria. What area should the museum be in? Sentence15: Okay, there are 3 different restaurants. What is your price range? Sentence16: Thanks for using our service today! Question: Who has spoken the sentence 7? (A) User (B) System

A: Answer: (B) System
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Q: 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

A: Answer: (B) System
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Q: Sentence1: Hi! I'd like to book a taxi from Kettle's Yard to Old Schools. Sentence2: You are welcome. Have a great day. Good bye. Sentence3: Absolutely - do you have a particular arrival or departure time in mind today? Sentence4: Yes, I would like the taxi to arrive by 19:30. In addition, I would like the car type and its contact number. Sentence5: I have completed your booking! The car type is a white volkswagen and the contact number is 07027624842. Sentence6: Thank you so much! That is all I need for now. Question: Who has spoken the sentence 1? (A) User (B) System

A:
Answer: (B) System
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