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

[EX Q]: Sentence1: Not a problem and thank you for choosing Cambridge TownInfo Centre Sentence2: Yes I have locations on the east, north and city center. Any preference for location? Sentence3: Thank you very much for helping me today! Sentence4: We can certainly help with that. Are you heading to the boat or to the hotel, and what time do you need the taxi? Sentence5: Gonville Hotel is a three star hotel with parking and is in the centre area. Does this sound good? Sentence6: Yes, I also need to get a taxi to go between them, please. Sentence7: I'd be happy to make that reservation for you. What days would you like to stay there, and how many are in your party? Sentence8: I would like a three star hotel, do not care about price. Sentence9: Great! I also need a hotel while I am there. I do need free parking but internet is optional. Sentence10: I am looking for a place to get a boat. Can you help me? Sentence11: Alright. There are a total of 29 hotels and guesthouses available. Is there a certain price range or area you wish? Sentence12: Yes that sounds fine. I would like to book a reservation please. Sentence13: I was able to get a red volvo for you phone number 07586716905 Sentence14: Can you make that for starting monday, 4 nights and 7 people? Sentence15: I need to leave the hotel by 5:00. Sentence16: The booking was successful! Your reference number is UR6L3NLS . Anything else I can help with? Sentence17: No problem. There is the Riverboar Georgina which is located in the north side of town. The address is Cambridge Passenger Cruises, Jubilee House and the postcode is cb43ax. Sentence18: No, I don't have any preference. You can just pick whichever one looks best and give me the phone number, address, and area. Question: Who has spoken the sentence 14? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: I think you'd like TR8842 train, it costs 23.60 pounds. Sentence2: Thanks, it would be helpful if you also told me what time TR8842 leaves. Anyhow, I just got paid. Can you find me a high-end eatery serving European cuisine? Sentence3: No thank you. I'll just need the address for an expensive restaurant that serves European food. Sentence4: Train TR8842 leaves london kings cross at 15:17 on friday and arrives at cambridge at 16:08. Can I provide you more information or book it for you? Sentence5: Arrival time is not important. I just need to leave after 14:15. I will need the train ID and the price, please. Sentence6: Sorry! As I said, it's at Free School Lane City Centre. Can I help you with anything else? Sentence7: Hi, could you help me find a train going to Cambridge? Sentence8: Is there a time you would like to arrive by? Sentence9: Where and when are you departing from? Sentence10: I would like to leave on Friday Sentence11: No, that's it. Thank you. Sentence12: which side of town is most appropriate for you? Sentence13: Have a lovely day, goodbye. Sentence14: I am leaving from London Kings Cross after 14:15. Sentence15: I'm sorry, but I think you gave me the phone number. I need the address, please. Sentence16: I don't have a preference really, please recommend one. Sentence17: no. i just need the address Sentence18: What day would you like to leave? Sentence19: its address is 01223368786. is that it? Sentence20: How about the eraina located at Free School Lane City Centre. Would you like reservations? Question: Who has spoken the sentence 4? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: The Archway House has wifi. Also, I see that the train was not booked. I can book the TR8225 leaving stevanage at 11:54 and arriving in Cambridge at 12:43. OK? Sentence2: Okay I have many options. Any price preferences? Sentence3: we do not have email contact information on the venues. but you can call them if you like. their phone number is 01223575314. Sentence4: How about train TR8799, which departs on Sunday at 11:00 and arrives by 11:51? Sentence5: Perfect, the Archway House is booked for one person. The reference number is XXA3VM1F . The price is not listed online, the phone number is 01223575314. Sentence6: I'm unsure if the wifi at Alexander Bed and Breakfast is free but it is cheap and in the center of town and definitely does have internet access. Would that do? Sentence7: Actually, I'm sorry. Would you be able to confirm that the hotel you've booked has wifi? I don't have that in my notes. Sentence8: The price is 18.88 pounds. Would you like me to book it? Sentence9: Yes that is everything thank you for all your help. Goodbye Sentence10: no, i just need to know the price Sentence11: That sounds good, how much is a ticket? Sentence12: Is there an email I can contact them at? Sentence13: That would be all thanks you very much Sentence14: I don't actually need the train booked yet, I just needed to know the price. I think I have everything I need now, thanks for your help! Sentence15: Okay. I would like to book the Archway House for three nights and for one person starting on Sunday and what is the price. Sentence16: Yes, I have 404 trains running on Sunday. Where are you departing from? Sentence17: Actually, I would prefer a guesthouse is the north. Sentence18: Yes please go ahead and book that for me. I am also looking for a place to stay and can you find me a Guest house with free wifi? Sentence19: The price is 10.24 pounds per ticket. Sentence20: You are welcome. Are you sure that all your questions have now been answered? I can wait. Sentence21: I want to know if any trains run on Sunday? Sentence22: You are welcome! Have a great trip to cambridge! Sentence23: I'll be heading to Cambridge from Stevenage, and I'd like to arrive on Sunday by 12:45, please. Sentence24: I would recommend Archway House, it is moderately priced and 4 stars. Would you like a reservation? Sentence25: OK, thank you for choosing to visit cambridge, enjoy your stay. Sentence26: Thank you for looking that up for me. Question: Who has spoken the sentence 23? (A) User (B) System
[EX A]:
Answer: (B) System