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

[Q]: Sentence1: Are you sure? I'd really like some Austrian food. Sentence2: Yes I am sure. However, I do have a number of restaurants listed as serving European food. Would you like information on these? Sentence3: Thank you, let us know if you need any more help with anything. Sentence4: The phone number is 01223307030. The address is Quayside Off Bridge STreet and the postcode is cb58aq. Can I book a reservation? Sentence5: Yes please. I prefer the centre of town if possible. Sentence6: I would like for that to be cheap as well. Sentence7: No, I'm all set, thanks. Goodbye! Sentence8: Hi, I'm looking for a cheap austrian restaurant. Sentence9: Sounds good. Could you give me the number? Also, the address and postcode. Sentence10: The River Bar Steakhouse and Grill located in the Centre has cheap Modern European food. Would you care for that? Sentence11: There are a number of European options in the town centre. Do you have a price range? Sentence12: I'm sorry but I don't have any Austrian restaurants? Would you like to try a different cuisine? Question: Who has spoken the sentence 5? (A) User (B) System
[A]: Answer: (B) System


[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: It's alright. I'm also looking for a train that leaves on Thursday from Cambridge. I'm trying to get to Stansted Airport by 08:30. Sentence2: Booking was successful for TR7966, the total fee is 80.8 GBP payable at the station. Your eference number is : NT1R53H8 . Can I help with anything else? Sentence3: You, too! Goodbye! Sentence4: That is unfortunate. Could you provide me with their phone number so I can ask them myself? Sentence5: Unfortunately I do not have access to that info. Sentence6: It doesn't matter. Let's take the 5:40. Sentence7: Not a problem! You can call them at 01954781018! Sorry about that! Sentence8: Goodbye and hope to see you again. Sentence9: I planning a trip to Cambridge toward the west side I would like information on the entertainment in this part of the town . Sentence10: That's all I needed. Thank you! Sentence11: I'm glad I could be of service, have a good day. Sentence12: Perfect. Just one ticket? The cost will be 10.10 pounds. Sentence13: There are three possible trains that meet your criteria. Would you like to depart at 05:40, 06:40, or 07:40? Sentence14: Yes, how much is the entrance fee? Sentence15: I actually need 8, I'm taking my family with me. Sentence16: We have Whale of a Time in the west. Would you like any information on this attraction? Question: Who has spoken the sentence 9? (A) User (B) System
[A]:
Answer: (B) System