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

Sentence1: Yes, that sounds like a good choice. Can you book it for me for 3 people starting Saturday? Thanks Sentence2: I was able to book the hotel for you. The reference number is BTTS9GYC . Is there anything else I can help you with today? Sentence3: There are eight accomodations of the hotel type with free parking. What part of town do you prefer? Sentence4: I need a train from norwich to get to the hotel by 16:30. Sentence5: The Cambridge Belfry is an inexpensive, 4 star option on the west side with free wifi and free parking. Sentence6: The west, please. And can I get free wifi? Sentence7: Okay I have a train tat gets to Cambridge at 15:35. Would you like me to book that for you? Sentence8: It doesn't really matter, just need to get there by 16:30. Sentence9: I want a place to stay. Find me a hotel that includes free parking. Sentence10: I have several available. When do you want to leave? Sentence11: I would like to stay for 3 nights. Sentence12: Sure, I can do that. How many nights would you like it for? Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User

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: That booking was unsuccessful, I'm sorry. Is there another day or time that would work? Sentence2: Alright, that sounds good to me. Could you give me their address and phone number please? Sentence3: Have a wonderful time! Sentence4: How about the Hotel Du Vin and Bistro? Would you like to book a table for this restaurant? Sentence5: I'm looking for a place near the center of town that serves european food. Sentence6: Yes, that would work. Could you make it for Sunday at 16:30 for 1. Sentence7: Certainly. We have 31 moderately priced restaurants. Is there any particular cuisine you would prefer? Sentence8: They do indeed have a table at that time. Your reference number is 0WBNIZLJ . Sentence9: Can you assist me with finding a moderately priced restaurant? Sentence10: There are 11, I would recommend broughton house gallery because it has free admission. Sentence11: Sure, their address is 98 King Street, and the phone number is 01223314960. Sentence12: Thank you. that is all the information I'l be needing today! Sentence13: Thank you. Is there a museum in the same area as the restaurant that I could go to? Sentence14: How about 15:30? Question: Who has spoken the sentence 8? (A) User (B) System

Answer: (A) User