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

[Q]: Sentence1: Thank you so much. The restaurant and train are all I need for now. Have a great day. Goodbye. Sentence2: I'll need to arrive by 11:00 and it should be going to london liverpool street. Sentence3: yeah i need a train too Sentence4: Train TR4259 arrives in London Liverpool Street at 9:27. It's the closest arrival time to 11:00. How many tickets would you like to book? Sentence5: Understood. You have a choice between Sala Thong and Bangkok City. Sentence6: Booking was successful. The table will be reserved for 15 minutes. Reference number is : RARTE3OH . is there anything else i can help you with? Sentence7: Can you help me find some Thai food to eat tonight? Sentence8: I would like 2 tickets please. Sentence9: Ok! Have a great day! Sentence10: I don't care where, just as long as it's expensive! Sentence11: What area of town would you prefer? Sentence12: Sala Thong sounds good. Please make a booking for 2 at 11:45 on Monday Sentence13: Where will you be leaving from? Sentence14: Let's pick something arriving between 11:00 and 10:30. It needs to depart from cambridge and leave on tuesday. Sentence15: There are 21 trains available. Would you like to narrow it down by departure site, day, or departure time? Sentence16: Your reservation for 2 on the TR4259 train was successful, the total fee is 33.2 GBP payable at the station. Your Reference number is : FNRSFZWB Question: Who has spoken the sentence 8? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: I believe that's all I need. Thanks! Sentence2: It is an expensive restaurant on the west side of town. Would you like me to reserve a table for you? Sentence3: Yes I have many options for you. How about the Tandoori Palace? Sentence4: I'm looking for an Indian restaurant in the west. Sentence5: That might work. What is the price range of Tandoori Palace? Sentence6: Sure, it is located at 68 Histon Road Chesterton in the cb43le post code. Can I help with anything else today? Sentence7: You are welcome. Have a nice day. Bye. Sentence8: No that's OK, but could you give me their address and postcode please. Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: I need the phone number for the hotel please. Sentence2: Yes is it a guesthouse? Sentence3: I'd like a 4 star in the cheap price range please. Sentence4: Great, how much is admission? Sentence5: Do you prefer a specific type of hotel or are you working on a budget? Sentence6: thank you. i also want a hotel to stay which should a have a star of 4 Sentence7: Booking completed! Your booked car type is blue audi and it will come at 20:15. The contact number is 07263502417. Anything else I can do for you today? Sentence8: Sorry, I don't have that information, but here is the phone number: 01 223 300 0085 if you would like more specifics. Sentence9: Yes it is, it's called worth house. Sentence10: i also need a taxi from the worth house to the adc theatre. i want to leave the hotel by 20:15. Sentence11: Great! Enjoy your show, and I hope you have a great stay! Sentence12: I have one fitting that. Would you like more info? Sentence13: Can you help find a theatre in the centre of town? Sentence14: I would like to stay in the north. Sentence15: Thank you that is all I needed. Sentence16: I can help you with that. How about the ADC Theatre? It is in the centre of town. Sentence17: What area would you like to stay in? Sentence18: The phone number is 01223316074. May I help with something else? Question: Who has spoken the sentence 15? (A) User (B) System
[A]:
Answer: (B) System