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

Sentence1: Where are you headed? Sentence2: anytime after 21:00. Sentence3: What time monday would you like to depart? Sentence4: okay, I do need the reference number also. Sentence5: Birgmingham New Street from Cambridge Sentence6: Yes will you book it for me ? Sentence7: I highly recommend Zizzi Cambridge in centere. It has excellent pasta and meatballs. Would you like me to book a reservation for you? Sentence8: Booking was successful. The table will be reserved for 15 minutes. Reference number is : DKSUCWY6 . Sentence9: Yes, on Monday for 2 people at 14:30. Olease give the reference number. Sentence10: thank you that will be all good bye Sentence11: I need 2 tickets and a reference number please Sentence12: My apologies, busy weekend and the system is lagging, you are set, reference number is B6SGLAAT total cost is 150.19 GBP, thank you for your patience. Sentence13: Have a nice day, goodbye. Sentence14: How many tickets will you need? Sentence15: Thank you so much, can you please also find me an Italian restaurant in the centre of town that's on the cheap side? Sentence16: TR8406 will depart at 21:40. Is that okay? Sentence17: I need a train on Monday leaving birmingham new street? Sentence18: Sure thing. I will work on getting this booked for you. Question: Who has spoken the sentence 10? (A) User (B) System
Answer: (A) User

Sentence1: Yes I would. Sentence2: The phone number is 01223312112. Do you need the postcode? Sentence3: You're welcome, and you have a nice day as well! Sentence4: Can you tell me anything about cafe jello gallery? Sentence5: I think that could work please make a booking for 6 people Sentence6: There are 10 trains that day. Is there a particular time you'd like to leave or arrive? Sentence7: i would like to arrive after 2:00 in the afternoon. Sentence8: Yes, the Cafe Jello Gallery is a museum located at 13 magdalene street in the west side of town. Would you also like their phone number? Sentence9: Booking was successful! Your reference number is GXIE5O8F . You have to pay 26.4 GBP at the station. Sentence10: No, but I am looking for a train from Ely on Thursday. Sentence11: Thank you very much that is all I needed. Have a good day. Sentence12: We have the TR0813 that arrives at 11:52 on thursday. Does that work? Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: I need a train leaving from London Liverpool Street on Monday. Are there any trains available? Sentence2: Wonderful! What can I do to help you plan? Sentence3: That would be great. What is the attraction type? Sentence4: Actually, I don't need for you to book it, but I do need some suggestions for places to go in the west part of town. Any type of attraction. Sentence5: No thank you. Can you provide me with the arrival time, price, and train ID? Sentence6: TR9202 costs 16.60 pounds per ticket and arrives by 17:07. Will that be all? Sentence7: Can you tell me how many people will be travelling? Sentence8: It is a museum, and admission is free. Can I help you with anything else? Sentence9: That's all I need, thanks so much for all of your help! Have a great day! Sentence10: yes, book it please. Sentence11: I would like to leave after 14:00 and go to cambridge. Sentence12: How about the cafe jello gallery? It is in the west and it's free. Sentence13: You are very welcome. Have a great day! Sentence14: We do have some trains, what time would you like to travel? Sentence15: TR9202 would be perfect for you. Shall i book it ? Sentence16: I am planning a trip in Cambridge. Question: Who has spoken the sentence 4? (A) User (B) System
Answer: (A) User