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

Q: Sentence1: I sure can. I found a 3 star hotel and a 4 star hotel. Do you have a preference? Sentence2: Great, thank you for your help. Sentence3: Thank you , good day to you. Sentence4: You are very welcome! Is there anything else I can help you with? Sentence5: How about the Gonville Hotel located in the centre of town is in the expensive price range? Sentence6: Good afternoon, can you help me find an expensive place to stay in the town centre? Sentence7: It should be a hotel type hotel not a guesthouse Sentence8: Yes, that sounds good. Could you reserve a room for 5 people checking in on Saturday? I think we'll stay for 3 nights. Sentence9: Booking was successful. Reference number is : KRJNYV0Q . Sentence10: No, that will be all. Thank you. Question: Who has spoken the sentence 6? (A) User (B) System

A: Answer: (A) User
****
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: There is a train on Monday at 19:54. Sentence2: Thank you for your help. That is all for today. Have a great day! Sentence3: There are 10 cheap places to stay with free parking. Do you want particular area of town? Sentence4: Yes, i also need a train that departs from stevenage and goes to cambridge. Sentence5: I'm looking for a cheap place to stay that has free parking. Sentence6: I want it for monday and to leave after 19:15 Sentence7: 3 people staying at alexander bed and breakfast for 5 nights, starting monday. Your confirmation number is 53R0PQMZ . Is there anything else I can help you with? Sentence8: Your train booking at 19:54 was successful, the total fee is 38.4 GBP payable at the station. Your Reference number is : W0FCJ48S . Is there anything else i can help you with? Sentence9: The area does not matter, but it should have a 4 star rating. Sentence10: Great. Let me know if you need any additional help. Sentence11: Yes, please book it for 3 people Sentence12: Please book for 3 people for 5 nights, starting from Monday. Sentence13: The alexander bed and breakfast fits your needs. Would you like me to book a room for how many days and guests/ Sentence14: Which day and time would you like this for? Question: Who has spoken the sentence 10? (A) User (B) System

A:
Answer: (A) User
****