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

[Q]: Sentence1: Don't worry, I should be able to help you. Do you know which station you'll be leaving from or going to? Sentence2: What is your destination? Sentence3: Hi, I am trying to plan a trip and need some help with a train. I'm not familiar with trains at all unfortunately. Sentence4: I'm departing from leicester and I need to leave on friday. Thank you for helping! Sentence5: I also need a place to stay. Sentence6: 11 pm and I want it for three people Sentence7: I'm going to Cambridge. Sentence8: We have many great places to stay. What area would you like and do you have a price range? Sentence9: Is there a time you would like to arrive by? Sentence10: TR6539 will arrive by 22:54. Booking was successful, the total fee is 113.4 GBP payable at the station. Your reference number is IE5RK2IG . Do you need anything else? Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: Of course, silly me. I'd like to travel from Cambridge to London Liverpool Street on Saturday, and I need to get there by 19:00 please. Sentence2: Allright. TR0357 departs at 09:39. Would you like me to book you tickets? Sentence3: Thanks for the help, that's all for now. Sentence4: Sure! Their number is 01223227330. Sentence5: Well, I want to leave on Saturday. You tell me the best options. Sentence6: I would like to arrive by 19:00. Sentence7: A ticket from London Liverpool Street to Cambridge is 13.28GBP. Sentence8: I also need their phone number. Sentence9: Can you tell me where you are leaving from and going to? Sentence10: what days look like the best ones to get a great deal on hotel with train ride. Sentence11: Can you help me find a train for my upcoming trip to your city? Sentence12: Absolutely, the address is 15-19 Trumpington Street. Is there anything else I can assist you with today? Sentence13: Ok, I'll have to speak with my friend to see if that price is acceptable. Can I please get the address to the restaurant Hotel Du Vin and Bistro? Sentence14: There are 202 options that day! Do you know what time you want to leave or arrive? Sentence15: Can you give me the ticket price? Sentence16: I hope you have a good trip. Have a nice day. Goedbye Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: I'm sorry, there are no Moroccan restaurants located in the Centre. Can I help you find something else? Sentence2: Could you check if either has booking for 7 people at 13:00 on thursday? Sentence3: I'm looking for a restaurant that serves moroccan food in the centre. Sentence4: There are two international restaurants in the centre area, the varsity restaurant and bloomsbury restaurant, both moderately priced. would you like me to book you for either one? Sentence5: No. I think that will be all. Thank you for your help. Sentence6: Is there an International restaurant in the city centre? Sentence7: You are welcome, I hope you enjoy your meal. Sentence8: You are booked into the bloomsbury restaurant. Your reference number AZ9LL6MU . Do you need help with anything else? Question: Who has spoken the sentence 5? (A) User (B) System
[A]:
Answer: (B) System