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

[Q]: Sentence1: Can you book a table at the Bistro for me? 4 people at 13:30 on Sunday, please. Sentence2: I am looking for a place to eat that's expensive and serves Belgian food. Sentence3: I just need the arrival time and price. Sentence4: I have two, the backstreet bistro and the slug and lettuce. Do you have a preference between the two? Sentence5: Yes, what time do I need to be at the station? Sentence6: How about somewhere expensive in the centre? Sentence7: Booking was successful. The table will be reserved for 15 minutes. Reference number is : NSLKEI1G . Sentence8: I want to leave after 10:30 on Monday. Sentence9: The TR8089 meets your criteria. Would you like to book tickets? Sentence10: You're welcome, have a good day. Sentence11: no such restraunts too Sentence12: Thanks! I also need a train from Cambridge to Ely, please. Sentence13: what time will you be departing? Sentence14: I should be asking you what time you need to be at the station. Sentence15: The arrival time for train TR8089 is 12:07, and it will cost only 4.40 pounds. Is there anything else I can help with? Sentence16: I'm sorry, we don't have any Belgian restaurants. Would you like to try a different type? Sentence17: That was everything. Thanks very much! Sentence18: How about a gastropub restaurant? Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: 5 nights, please. Sentence2: Sure. Please book five tickets for me and reply with the reference number. Sentence3: It's booked and your reference number is LFE8G8CE . The address is 154 chesterton road and postcode is cb41da. Anything else I can do for you? Sentence4: Where will you be departing from? Sentence5: Enjoy your visit. Please give us a call if you need further assistance. Sentence6: 5 people starting on Sunday. Sentence7: Yes, what area would you like to stay in? Sentence8: Great, let's book that one. Please send me the address, postcode and reference number. Sentence9: Booking was successful, the total fee is 22 GBP payable at the station. Reference number is : BUBQRD4R . Sentence10: Yes I also need a train that leavers after 12:00 going to ely. Sentence11: There is the Acorn guesthouse in the moderate price range and 4 stars. It also has free wifi and parking. Sentence12: There is no train leaving 12:00, but train TR5484 leave 13:50 do you want to adjust your time? Sentence13: Don't care. but I'd like a place that's Moderately priced and offers free WiFi. Sentence14: East London. Thanks Sentence15: How many days do you plan on staying? Sentence16: That is all I need, good bye. Sentence17: How many people would you like it booked for and for what days please? Sentence18: Hi, I am hoping to find a 4 star hotel room. Can you recommend one for me? Question: Who has spoken the sentence 9? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: No, I seem to have all the information I need today. Sentence2: TR3769 departs at 13:40 with a total travel time of 28 minutes. Do you need further assistance with anything else? Sentence3: Absolutely! Where will the departure and destination points be? Sentence4: I would like to leave Cambridge on Monday after 13:15 Sentence5: These trains leave from Cambridge 40 minutes after the hour every hour, starting at 13:40 and running to 23:40. Would you like me to book a ticket? Sentence6: I do not need to book the hotel yet. Can you please give me the phone number and hotel type? Also, do they have internet? Sentence7: Sure, we have the lensfield hotel, it's a 3 star expensive hotel in the south with free parking. Would you like to book it? Sentence8: The phone number is 01223355017. It is a hotel type, and yes there is free internet. Anything else? Sentence9: There are many trains that fit your criteria. Could you please tell me what day and time you would like to depart? Sentence10: I also need a place to stay in the expensive range that includes free parking, in the south with a star of 3. Sentence11: I will be departing from Cambridge and my destination is the Stansted airport. Sentence12: No thank you. I will just need the train ID and travel time of the first one leaving after 13:15 going to the airport. Sentence13: Great. If you need tickets, don't hesitate to contact me again. Have a great day. Good bye. Sentence14: I am looking on information regarding train tickets. Can you help? Question: Who has spoken the sentence 9? (A) User (B) System
[A]:
Answer: (B) System