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

[EX Q]: Sentence1: i need to know how how much the entrance fee is and the postcode if you may please? Sentence2: Is there anything else I can help you with? Sentence3: It is 8.08 pounds Sentence4: I will be traveling on Saturday and would like to arrive by 17:45. Sentence5: Thank you and goodbye Sentence6: Thank you! Can you also look up Cherry Hinton Hall and Grounds for me? Sentence7: What day and time time will you be travelling? Sentence8: Ok, thank you. Sentence9: Hi, I'll be visiting Cambridge soon, and I need a train from Stansted airport. It should arrive by 17:45. Can you help? Sentence10: No, thank you, that will be all. Sentence11: Yes, that would be perfect! What's the price of one ticket? Sentence12: Sure thing it is in the east of town, what information would you like to know about it? Sentence13: The post code is cb18dw but I do not have the information on the entrance fee. Sentence14: Great, there's a train departing at 16:24 and arriving at 16:52. Will this work? Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: No thank you. I have everything I need. Sentence2: The earliest train leaving after 11:45 is at 12:09 on friday. Would you like me to book this for you? Sentence3: I need 1 ticket for departure on Thursday. Sentence4: i need a train going to leicester that leaves after 11:45 Sentence5: That is fine. Can I have the train ID once it's booked? Sentence6: Of course, what day will you be traveling, and how many people will be in your party? Sentence7: I was successfully able to book you a reservation for 7. The reference number is R2RPLBI3 . Can I help you with anything else? Sentence8: There is one restaurant called bedouin, but unfortunately it does not have any open reservations for matching your specifications. Could you provide another day or time? Sentence9: Yes I want to reserve a table for 7 people at 15:00 on Thursday at an expensive African restaurant. Can you help me with this? Sentence10: Could you get a reservation at a difference expensive African restaurant? Sentence11: There are no tables available at Bedouin at that time. Would you like to try a different time slot or perhaps a different day? Sentence12: I will be departing leicester going to cambridge, sorry for the confusion. I need to leave after 11:45 also. Sentence13: Sure. If there are no other African eateries to choose from, try the 14:00 at the Bedouin. Sentence14: Sure, are you going to leicester, or to cambridge? What is your departure site please? Sentence15: Great. I have booked you one seat on the 12:09 train from Leicester and your reference number is 7UR3BFW6 . Is there anything else I can do for you? Sentence16: You are welcome. Good bye. Question: Who has spoken the sentence 15? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: There are six trains on Tuesday that would get you to the airport by 12:00. They run every hour starting at 5:40. Which departure time do you prefer? Sentence2: Where are you headed to? Sentence3: Could you help me with a particular attraction in Cambridge? Sentence4: How many tickets do you need? Sentence5: The plough, green end, fen ditton, post code cb58sx. Anything else you need? Sentence6: I am looking for an attraction called Camboats. I need the address, please. Sentence7: Thank you have a nice day. Sentence8: I would like a train the departs from cambridge and should arrive by 12:00. Sentence9: that is all i wanted for today. have a good day Sentence10: I need to go tot he Standsted Airport on Tuesday. Sentence11: I need 8 tickets please. Sentence12: I just need to make sure I arrive by 12 pm. Sentence13: Sure! What type of attraction were you looking for? Sentence14: I have booked the train your reference number is L2E6AQ2L . Question: Who has spoken the sentence 9? (A) User (B) System
[EX A]:
Answer: (B) System