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

[Q]: Sentence1: I have your taxi booked. Look for a blue volkswagen, contact number 07655267463. Is there anything else I can help you with? Sentence2: I need to book a place to stay with a star of 4. I don't need free parking. Sentence3: Can you please provide me with the address, telephone number and the cost of admission. Sentence4: Thank you. Enjoy your stay Sentence5: I now need a taxi to get to the church from the hotel. I would like to leave the hotel by 15:45. Can you book that for me? Sentence6: I don't care about location, just would like a moderate price with 4 stars please. Sentence7: We have 44 attractions in the centre of town Broughton House Gallery is a museum we have available. Sentence8: We have 11 in the moderate range. They are all a guesthouse accommodation. Would you like one of these? Sentence9: I need one with free wi-fi. Sentence10: I have you booked. The reference number is WPGQ4ADJ . Sentence11: After that I'm also going to need the reference number. Sentence12: OK, now can you tell me about some of the attractions in the center of town? Sentence13: I would also need to book it for 4 nights. Sentence14: No, that is all. Thanks so much. Bye. Sentence15: One person, and I'd like to arrive on Tuesday. Sentence16: We have over 20 fine hotels. Do you have any preferences of cost or location? Sentence17: How long do you want to stay? Sentence18: Can i book one on tuesday? Sentence19: OK, let me see what I can do. Sentence20: How about All Saint's Church at 01223452587 in the centre? It's free. Sentence21: before I look for that, could you let me know how many people are staying and what day you'd like to arrive? Sentence22: I have two: a and b guesthouse in the east and avalon in the north. Would one of these work for you? Question: Who has spoken the sentence 18? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Can I get a taxi to take us from the gallery to the restaurant? Sentence2: I'm looking for a museum with a restaurant. Sentence3: Yes please. I need the reference number too. Sentence4: Do you know of any restaurants in the centre of town that serve lebanese food? Sentence5: Yes I'd like one for Sunday for 19:15, there will be 8 of us. Sentence6: Great. Please get me their address. Sentence7: Booking was successful. The table will be reserved for 15 minutes. Reference number is : H570Z3KN . do you have any other questions Sentence8: Is it moderately priced? Sentence9: Yes. Ali Baba is moderately priced. Would you like me to make a reservation for you? Sentence10: No, that will be all thank you. Sentence11: Ali Baba is in the centre of town serving lebanese food Sentence12: Ok, a white audi will pick you up at cafe jello gallery and bring you to Ali baba by 19:15. You can contact the driver at 07646811518. Anything else? Sentence13: will you need to have all eight of you seated at the same table? Sentence14: How does the Cafe Jello Gallery sound? It is located in the west and does not have an entrance fee. Sentence15: You're welcome. Thank you. Sentence16: Cafe jello gallery can be found at 13 magdalene street. Is there anything else I can do for you? Question: Who has spoken the sentence 5? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: I have your made your reservation. Ref# is E7VPA79P . They will hold the table for you for 15 minutes. Is there anything else that I can be of assistance? Sentence2: That is everything, thank you so much for your assistance. Sentence3: Book for 8 people on Friday at 17:15. Sentence4: Yes, I'd also like to check out a cool place in the centre area. Sentence5: I want Turkish at a moderate price. Sentence6: That sounds great. Can you tell me a phone number I can reach them at, and also the entrance fee? Sentence7: The Broughton House Gallery meets your criteria, would that work? Sentence8: I am getting the booking started for you now, can you give me the day and number of people please? Sentence9: We have a lot of great restaurants! What kind of food do you prefer, and what price range would you like for me to check? Sentence10: The Efes is fine. I need a table for at 17:15. I will also need the reference number. Sentence11: You're welcome and enjoy your stay. Sentence12: How about multiple sports? Sentence13: The phone number is 01223314960 and the entrance fee is free. Sentence14: I have found 2. The anatolia or efes restaurant. Would you like a booking made today? Sentence15: There is a lot to do in the centre. Are you looking for a particular type of attraction? Sentence16: There is nothing in the centre of town for sports. Would you like to try something else? Sentence17: I am coming to Cambridge and am so excited to see some local tourist attractions. I just need help finding a restaurant to eat at while there. Sentence18: What about a museum? Question: Who has spoken the sentence 10? (A) User (B) System
[A]:
Answer: (A) User