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

[Q]: Sentence1: Does it have internet? Sentence2: I can help you with that I just need to know what time you'd like to be picked up from the guesthouse? Sentence3: No, that is it. Thank you so much. Sentence4: I have 3 great guesthouses in the east. I recommend Warkworth House. Would you like to book a room? Sentence5: The Yu Garden is a Chinese restaurant in the East, would you like to book a table? Sentence6: How about a Chinese restaurant? Sentence7: There are no australasian restaurants in the east. Would you like to try a different cuisine or can I check another area for you? Sentence8: Can i get the address and number to Yu Garden? Sentence9: I'm happy to be of service, and thank you for using the Cambridge TownInfo Centre! Sentence10: I would like to leave at 5:45. Sentence11: Yes it does. Would you like to make reservations? Sentence12: Hi, I am looking for a nice moderately priced hotel located in the east. Sentence13: Okay, thanks. I'm also looking for a place to eat that serves Australasian food. Can you help me with that? Sentence14: Warkworth does offer internet. Sentence15: Yes, the address is 529 Newmarket Road Fen Ditton and the postcode is cb58pa. Sentence16: The taxi will pick you up at the guesthouse at 05:45 and will be in a white lexus. Their contact number is 07730745339. Is there anything else I can help you with? Sentence17: Thank you. I also need a taxi to get between the two places. Sentence18: Maybe. Does it have 4 stars? Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Let's go with the cheap one. I'll need a table for 7 on Sunday at 12:15 please. Sentence2: Can you try on saturday, 7 people, at 12:15 Sentence3: you're in luck I have two options for you. One is in the cheaper price range, the other is listed as moderately priced. Do you have a preference? Sentence4: Unfortunately the booking was not successful. Sentence5: Yes, you're booked for Saturday with reference number V54FG5X2 . The table will be reserved for 15 minutes. May I help with anything else? Sentence6: Thank you, goodbye! Sentence7: No, that's all I need. Thanks for your help! Sentence8: Yes I would like to find Spanish food in the center of town. Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Thank you, please do remember you can contact us again at any time you need more help! Have a great day! Sentence2: I'm looking for a hotel to stay in the north, specifically, a guesthouse. Sentence3: Your room at Worth House is booked, ref# 6HUOIUXC . They do offer free parking. Is there anything else I can help you with? Sentence4: I'm sorry. Yes. Please book the train on Friday arriving by 14:30 for one person. Sentence5: Sure! Does it include free parking? If so I am looking for a reservation for 1 starting friday for 3 nights. Sentence6: That is all I need, thank you. Bye. Sentence7: Super! I have a range of guesthouses in the north. May I recommend Worth House, rated 4 stars but cheaply priced? The guesthouse offers internet and parking. Sentence8: The booking was successful, the total fee is 75.09 GBP payable at the station. Your reference number is : QQFBZTYO . Is there anything else I can help you with? Sentence9: TR7040 arrives at 14:23. Would you like me book for you? Sentence10: Hello! I'm just planning my trip to Cambridge and need train schedules. Sentence11: depart from birmingham new street ,I want to leave on Friday and arrive by 14:30 Sentence12: I'd love to assist you with that. Where are you departing from, and when do you want to leave? Sentence13: Book it for myself. Sentence14: I'm sorry if I misread, but did you want me to book that TR7040 train ticket for you? If so, how many tickets would you like? Question: Who has spoken the sentence 5? (A) User (B) System
[A]:
Answer: (B) System