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

Q: Sentence1: The Warkworth House is a guesthouse in the East, it's moderately priced and rated 4 stars. I would love to assist you in booking a room if you would like? Sentence2: There are 5 parks in town. Did you have a certain area you prefer? Sentence3: It's actually not a museum, but considered an architecture attraction. Were you interested in a specific type of attraction? Sentence4: Cambridge university botanic gardens is a beautiful park. Its located at bateman street, costs 4 pounds to get in. Phone 01223336265, cb21jf. Will you need transportation? A train, taxi or bus? Sentence5: have a good day Sentence6: No, Is that a museum or a church. Sentence7: Oh, I suggest my favorite! It's Holy Trinity Church, beautiful architecture, and it's located on Market Street. It's free. Would you like their phone number? Sentence8: I have you at the Warkworth house. Would you like to change the reservations? Sentence9: i am looking for somewhere to go in the centre of Cambridge Sentence10: I think we would like it to be in the centre of town please. Sentence11: Yes your reference number is 53LJQ4H6 . Sentence12: No. That's perfect! Thanks for your help. Good bye. Sentence13: Yes, please. Can you reserve a room for Monday for 5 people, 3 nights? Sentence14: no. also find me a hotel by the name warkworth house Sentence15: Actually, I will need to book lodgings as well. Sentence16: Thanks! Can you suggest to me something to visit that isn't a church or architecture? Maybe a museum or a park? Question: Who has spoken the sentence 15? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Unfortunately, no. La Margherita is an italian place. And, Thanh Binh serves vietnamese. Sentence2: Would you like for me to make you a reservation? Sentence3: Thank you for using the Cambridge Town Info Centre Services! We hope you enjoy your time in Cambridge Sentence4: yes, I want to book a table for 6 people at 12:00 on sunday. Sentence5: Booking was successful. The table will be reserved for 15 minutes. Reference number is : H0BFXWTP . Can I help you with anything else today? Sentence6: Yes, book that for 6 people. I would also like the reference number. Sentence7: Where would you like to go to? Sentence8: Thanh Binh would be perfect. Sentence9: Certainly! There are two great restaurants that meet your criteria. The first in La Margherita and the second is Thanh Binh. Would you like more information on one of them? Sentence10: Your booking was successful. The total fee is 113.28 GBP, which is payable at the station. Your reference number is A5ZWGBQ3 . Sentence11: Yes, could you find me a train from ely that same day? Sentence12: thanks so much you have been very helpful Sentence13: Does it serve creative food? Sentence14: TR3207 will arrive by 07.51. Should I book it? Sentence15: Can you help me find a cheap restaurant in the west side of town? Sentence16: I would like a train to Cambridge, arriving by 09:45. Question: Who has spoken the sentence 10? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Sure, what day would you like to book it for? Sentence2: Are there any british restaurants on the west side? Sentence3: Saint Johns Chophouse 21-24 Northampton Street, post code cb30ad. Will there be anything else today? Sentence4: Yes I do, I'd like to leave the restaurant by 04:45. Sentence5: Yes, please, and go to the B&B you booked for me. Sentence6: Okay, a black toyota is booked. You can contact them at 07431558834 Sentence7: Can you book that for 6 ? Sentence8: There are 4 accommodations that fit your criteria. How about Finches Bed and Breakfast? Sentence9: Thank you for contacting us, please don't hesitate to reach out if there's anything else you need in the future. Sentence10: Is that in the moderate price range? Sentence11: I am also looking for a hotel in the same area that offers free wifi. Sentence12: Yes, Saint Johns Chop House is in the moderate price range. Sentence13: For the Westies, saint johns chop house is the place. Need a reservation? Sentence14: Thank you, that was everything that I needed. Sentence15: Booking was successful. Reference number is : G17HAX2C . Will you need a taxi to get between them? Sentence16: Great! I'm not sure when I want to go, so can I just get the address and postcode? Sentence17: Did you want it to pick you up from Saint Johns chop house? Sentence18: I'd like to book 2 nights starting on tuesday Question: Who has spoken the sentence 11? (A) User (B) System

A:
Answer: (B) System
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