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

[Q]: Sentence1: Okay, the TR8944 leaves at 15:39 and arrives by 17:07. Would you like me to book tickets for you? Sentence2: There are 10 trains leaving fro Liverpool Street on Thursday. Did you have a departure time in mind? Sentence3: Okay I have booked you and your reference number is WLUOQKEV . Sentence4: rosa's bed and breakfast is in the cheap price range Sentence5: I'm looking for a train departing from london liverpool street leaving on thursday. Sentence6: Do you need a taxi? Sentence7: Goodbye, and thanks again. Sentence8: Yes, I don't want to leave for Cambridge until 15:00 at the earliest. Sentence9: Sure thing. Thanks for letting us help you today! Sentence10: Thank you. I also need a hotel in the south. Sentence11: then thanks for inquiring with us. Sentence12: I don't need a taxi, thanks for asking Sentence13: No price range but I do want a 4 start. Sentence14: Yes, for 6 people. Sentence15: What price range are you interested in? Sentence16: That sounds great. I'll need a reservation for 6 people for 4 nights on Thursday. Sentence17: I've gone ahead and booked that for you. Your Reference number is : EUZ34KY9 . Is there anything else I can assist you with today? Sentence18: No, that takes care of everything I need. Thanks! Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Thank you for using the Cambridge TownInfo centre. Have a great day. Sentence2: City Centre North B and B is at 328a Histon Road. Please let me know if you would like restaurant recommendations. Sentence3: Hi, can you help me locate a hotel named City Centre B and B. Really looking forward to trying different restaurants. Sentence4: Are you still there? Were you able to book that? Can I get a reference number please? Sentence5: i am doing that right away sir. thank you Sentence6: Booking was successful. Reference number is : MOPETAI4 . Sentence7: Thank you, good bye Sentence8: Can you please help me book that hotel for 8 people. We'll be staying for two nights starting on Tuesday. Question: Who has spoken the sentence 5? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Yes I would like to book that for 3 nights from Saturday for 7 people. Sentence2: Can you find me a spanish restaurant in the moderate price range? Sentence3: You are all set, the reference number is Y5RM8ZUC, can i assist with anything else? Sentence4: No thank you, I just need the post code. phone number and address please. Sentence5: Acorn Guest House is located in the north area of town. Would you like more information? Sentence6: Their phone number is 01223353888. Their postcode is cb41da and their address is 154 chesterton road. Sentence7: Yes, La Tasca matches your preferences. Would you like their information? Sentence8: Ok great, have a wonderful day! Sentence9: Will you need any dinner reservations to go with that? Sentence10: I want to double check, is La Tasca in the centre of town? Sentence11: Thanks that's all I needed to know today. Sentence12: Yes, it is in the centre. Would you like a reservation? Sentence13: I'm looking for a hotel called acorn guest house Sentence14: No thanks. I just need to book the room. Question: Who has spoken the sentence 9? (A) User (B) System
[A]:
Answer: (B) System


