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

[Q]: Sentence1: Yes, I am also looking for places to go in town while we are visiting the area. Do you have anything of concert halls around the area? We love those. Sentence2: Yes, please, what is the phone number? Sentence3: I have that all booked for your stay. Your reference number for the room is ZUG88XKL . Is there anything else I can help you with? Sentence4: I am looking for a place to stay. It should be in a moderate price range and should be a star of 3. Sentence5: The phone number is 01223474144. Sentence6: Yes, I need a booking for 8 people for 5 nights starting Monday. Please include the reference number for the booking. Sentence7: Also the address to the man on the moon is 2 Norfolk Street. You have to call to inquire about the entrance fee. Have a Great day. Sentence8: We have one. The Man on The Moon. But it is located in the centre area of town. Would you like more information? Sentence9: Ok, perfect. Thanks! Sentence10: i have four results that match your request, do you need internet? Sentence11: I have the Hobsons House. It is a moderately priced guesthouse located in the west. Free wifi and internet. Can I assist you in booking a room? Sentence12: Internet is not necessary. But can you see if there is one in the west part of town and I would prefer a guesthouse. Question: Who has spoken the sentence 10? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: Of course. Their telephone number is 01223362525. Would you like any more information? Sentence2: TR1339 arrives at 24:07 and takes 38 minutes to arrive there. Sentence3: Thank you. I will also need to find a restaurant that serves Mediterranean food and should be in the expensive price range. Sentence4: What day and time are you leaving Cambridge? Sentence5: Sure, their address is Thompsons Lane Fen Ditton. Is there anything else I can help you with? Sentence6: nope. i think that is all. enjoy your day and stay out of the rain. bye Sentence7: La Mimosa is a great expensive Mediterranean restaurant in the centre. Would you like to book a table? Sentence8: You have a great day, too. Thanks for calling. Goodbye. Sentence9: What is the arrival time? Sentence10: TR1339 is leaving at 23:29 and it is priced at 10.10pounds. can i book? Sentence11: I'm leaving after 18:45 on thursday. Sentence12: I'd like some information on a train going to bishops stortford departing from Cambridge. Sentence13: No I would just like their telephone number please. Sentence14: Can I get their address please? Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: The TR4673 leaves at 19:29, you'll arrive by 20:07. Would you like to book it? Sentence2: Can you tell me if they have a table for 8 available at 12:45 Monday? Sentence3: I'm leaving from cambridge, and I need to go to bishops stortford. Sentence4: Wait, I need to change the booking to friday. Sentence5: Yes they certainly do. I made you a reservation for Monday and your reference number is 8V5QECRH . Sentence6: Yes, What would you like to know about it? Sentence7: Thank you very much! Sentence8: enjoy your stay in Cambridge! Sentence9: No problem; I've updated your reservation to Friday. Your new reference number is RJQO3OZ0 . Can I help with anything else? Sentence10: Thank you for all your information. Enjoy your lunch at Pizza Express Fen Ditton. Sentence11: I'm looking for a restaurant called pizza express Fen Ditton, do you have any information on it? Sentence12: Yes, I would like to reserve seats on that train. Same group from the restaurant. Sentence13: Sure I can help you with that. Where would you like to depart from? Sentence14: Yes, I also need a train after 18:15 on Saturday. Question: Who has spoken the sentence 11? (A) User (B) System
[A]:
Answer: (B) System