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

Sentence1: I am hoping you can help me with my planning. I am trying to find information on the trains. Sentence2: I would like to arrive by 13:15. Sentence3: Thank you that is all I needed. Sentence4: itshould be in the centre Sentence5: No. Can you help me find a very cheap, not shabby hotel that has free parking? Sentence6: Your booking has been changed. Your new reference number is FVTMM086 . Sentence7: I can definitely help you with that. Can you give me more information, like your departure and destination preferences? Sentence8: I have a lot of great choices to offer you. Do you have a preference to what part of Cambridge you'd like to stay in? Sentence9: Which one of them has free wifi? Sentence10: I will be departing from Stansted Airport to go to Cambridge on Wednesday. Sentence11: You're welcome, have a great day! Sentence12: There are two guesthouses: Alexander Bed and Breakfast, and El Shaddai. Would you like to stay in one of those guesthouses? Sentence13: I am getting the information up now, do you have a specific arrival or departure time? Sentence14: book for 2 people for 2 nights from wednesday Sentence15: Sorry, can you actually book it for 3 people for 2 nights, please? Sentence16: Both facilities do. Sentence17: TR6386 departs at 12:24 and arrives by 12:52. Would you like a ticket? Sentence18: I made your reservation for 2 people for 2 nights starting Wednesday at the Alexander Bed & Breakfast. Your reference number is 8JX02F2T . Is there anything else I can do? Question: Who has spoken the sentence 13? (A) User (B) System
Answer: (B) System

Sentence1: I am planning a trip in Cambridge. I'm looking for a train. Sentence2: no, that is all. Thanks, goodbye. Sentence3: It will cost you 17.90 Sentence4: Where are you departing from? Sentence5: I would suggest this one the golden curry. Sentence6: your all set! Reference # is TKNF8H2H . Anything else today? Sentence7: I am departing from Broxbourne and I would like the train to arrive by 10:00. What is the price for this? Sentence8: sure what day are you traveling? Sentence9: Have a great day. Sentence10: Please book that one for 8 people on Friday at 17:00. Sentence11: No thanks. I just need the price per ticket. Sentence12: The TR5570 train will work. Would you like me to book you passage? Sentence13: Okay thank you, I'm also looking for an Indian restaurant in the east that is expensive. Sentence14: I plan to travel on friday. Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User

Sentence1: Home from home is a 4 star guesthouse in the north area with wifi and parking. Would you like to make a reservation? Sentence2: Yes, please. Just me, same day as the restaurant, and I'll be staying 3 nights. Sentence3: Your reservation at Cocum at 14:00 for 1 person was successful. Your Reference number is : PD01ZLA3 . Sentence4: Booking was successful. Reference number is : TFWXYHTG . anything else today? Sentence5: Thank you. I am also looking for a particular hotel. It's called Home From Home. Sentence6: That's a very nice Indian restaurant on the west side of town. Would you like the phone number or a reservation? Sentence7: That's all I need for today. Thanks! Sentence8: I'd like a reservation, please. I'd need it for Monday, 14:00, and for one person. I'll need the reference number. Sentence9: I am looking for a restaurant called Cocum. Sentence10: Great. If you ever need anything else don't hesitate to ask. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User