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

[Q]: Sentence1: Perfect, I have train TR1472 that meets your criteria, would you like me to book a ticket for you? Sentence2: I can help you with that. Where are you traveling from? Sentence3: Book it for 3 people. Sentence4: Sure. Your train is booked. The fee will be 30.29 GBP and your reference number is 7FGDRE1Q . Sentence5: I need to find a place to stay as well. Can you help? Sentence6: I need to find a train into Cambridge that will arrive by 09:15. Sentence7: I will be leaving the Stansted Airport on Thursday. Sentence8: I need to know what you're looking for first. Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: Thanks, I'm also looking for some places to go in the centre. Sentence2: There are 44 different attractions in the centre. Can you narrow down your choices? Sentence3: Ok. And where are you leaving from? Sentence4: The phone number for All Saints Church is 01223452587 and they are located on Jesus Lane. They do not charge an entrance fee. Can I do anything else for you? Sentence5: I think whatever you think is the best place, just choose that. I am not picky. Sentence6: No, that will be it. Thank you so much for your help! Sentence7: I would want to find a train going to Cambridge. Sentence8: it should arrive by 11:15. get me the price Sentence9: Thank you for using our service! Sentence10: Okay, there are 10 trains available. Do you have a departure or arrival time in mind? Sentence11: The train should leave on wednesday and should depart from ely Sentence12: that sounds lovely, what is their phone number, address and any entrance fee's? Sentence13: TR2006 is leaving at 11:35 and costs 4.40 pounds. Sentence14: Perhaps you would enjoy seeing All Saints Church on Jesus Lane? Question: Who has spoken the sentence 8? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: For what times. Sentence2: No thank you that will be all for me, goodbye. Sentence3: Book it for 30 min earlier. I need the reference number. Sentence4: Yes, the five of us would like to eat at 17:45 before we check in to the hotel. Sentence5: Yes I am looking for a restaurant called Frankie and Bennys Sentence6: The Avalon is a 4 star moderately priced guesthouse in the north with free internet. Would you like to book there? Sentence7: I need a taxi so that it arrives by the time of my reservation at the restaurant. Sentence8: Oh! I got you the table for your original time at 17:45. Your reference number is 6MIRFIR2 . Is there anything else I can help you with? Sentence9: That one is not open, shall I try a shorter stay? Sentence10: Yes can you book it for 5 people on Saturday? We need rooms for 4 nights. Sentence11: Can you tell me some info on the Avalon hotel? Sentence12: I also need to book a taxi from the restaurant to the hotel. Sentence13: Will you need any thing else now? Sentence14: Booking was successful. Reference number is : ZWN28J72 . Do you need anything else? Sentence15: I guess we could shorten it; can you try 2 nights instead? Sentence16: That sounds great. Thank you very much. Sentence17: I'm sorry, but I cannot get you in at that time. Is there another day or time slot that would work for you? Sentence18: Your taxi has been booked to take you from Avalon to Frankie and Benny's at 17:45. Your taxi will be a black tesla and the contact bumber is 07715682347. Sentence19: its in Cambridge Leisure Park Clifton Way Cherry Hinton. should i book for you a room? Sentence20: Thank you for contacting Cambridge TownInfo centre. I hope you have a pleasant trip! Goodbye! Question: Who has spoken the sentence 14? (A) User (B) System
[A]:
Answer: (A) User