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

[Q]: Sentence1: What time would you like to leave by? Sentence2: Great, I have booked you a white Honda the Contact number is 07767407244. Anything else I can help you with. Sentence3: I would like to book a taxi to hughes hall please. Sentence4: I would like to arrive by 19:00 if possible. Sentence5: I will be departing from the river bar. Sentence6: nope thats all thanks Sentence7: Where will you be departing from? Sentence8: It was my pleasure to assist you with that. Hoping you have a great day. Goodbye. Question: Who has spoken the sentence 5? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: I would prefer one of the expensive places. Need to impress my guests, you know? Sentence2: I see one moderately priced Indian restaurant in that area, and several expensive ones. Do you have a preference? Sentence3: Actually, I would like to book the hotel for 6 people for 4 nights starting on Sunday. Sentence4: I want an expensive place to stay in the west side. Sentence5: Okay, the phone number is 01480446000 for your convenience. Is there anything else I can help you with? Sentence6: There are three expensive Indian Restaurants in that area. Can I recommend Tandoori Palace? Sentence7: Thank you, you have a good day! Sentence8: I don't really need internet, but that sounds like everything else I want. Yes, I'd like you to book it. Sentence9: Yes, is 3 nights possible? Could I also please have a reference number? Sentence10: I was not able to reserve a table for you at that time. Is there a different day or time slot that you would like? Sentence11: Booking was not possible. Would you like to try a shorter stay, fewer rooms, or another day? Sentence12: Great! I have a table for 6 people at 11:30 onSundar at Tandoori Palace, Reference Number 3BMGPAN3 . Is there anything else I can do for you? Sentence13: I will hold off on the booking today I think I have all I need Sentence14: No thank you, that is all I needed! Sentence15: Thank you. I would like to make reservations for my party to have dinner one night near the hotel. We would like to go to a restaurant that serves Indian food, if possible. Sentence16: Great, the booking was successful. Your reference number is HJHE475H . Is there anything else I can help you with? Sentence17: OK, what is your arrival date, number of nights, and number of people in your party? Sentence18: Yes, that sounds good. Please book it for the same 6 people at 12:30 on Sunday. Sentence19: The Huntingdon Marriott Hotel is an expensive, 4-star hotel in the west that offers free internet and parking. Would you like me to book this for you? Sentence20: Yes, how about 11:30 instead? Please send reference number for the booking. Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Is there a specific time you need to arrive by? Sentence2: I want to leave on Monday after 18:45 instead and I will need the price and train ID. Sentence3: There are 133 trains that travel from Cambridge to Kings Lynn. Do you have a departure day or time in mind? Sentence4: Train Id is TR9226 and leaves at 11:00 Sentence5: There are several, do you have a destination in mind? Sentence6: I need a train that leaves from cambridge. Sentence7: Yes, I would like to leave no later than 17:00. Sentence8: Yes, kings lynn. Question: Who has spoken the sentence 3? (A) User (B) System
[A]:
Answer: (B) System