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

[Q]: Sentence1: I sure can. I found a 3 star hotel and a 4 star hotel. Do you have a preference? Sentence2: Great, thank you for your help. Sentence3: Thank you , good day to you. Sentence4: You are very welcome! Is there anything else I can help you with? Sentence5: How about the Gonville Hotel located in the centre of town is in the expensive price range? Sentence6: Good afternoon, can you help me find an expensive place to stay in the town centre? Sentence7: It should be a hotel type hotel not a guesthouse Sentence8: Yes, that sounds good. Could you reserve a room for 5 people checking in on Saturday? I think we'll stay for 3 nights. Sentence9: Booking was successful. Reference number is : KRJNYV0Q . Sentence10: No, that will be all. Thank you. Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User

[Q]: Sentence1: I do not have all of that information at this time. Can I talk to you again when I know more? Sentence2: I am looking for a hotel with free parking in the North. Sentence3: Okay. Please help me book this guesthouse. Sentence4: Yes that is all right. Sentence5: Yep there are 5 guesthouses. Do you wanna just try acorn guest house? Sentence6: Are any of those 11 guesthouses? Sentence7: Does it offer free wifi? Sentence8: It's my pleasure. Have a nice trip! Sentence9: What day, number of nights, and number of people would you like to book for? Sentence10: Thank you for your help! Sentence11: Yes, it does have internet. Sentence12: There are 11 hotels that meet your needs. Would you like to narrow them down by price range? Question: Who has spoken the sentence 9? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: I am wanting a recommendation so it can be any type of food, but I would like something cheap and in the centre of town. Sentence2: What type of attraction would you like? Sentence3: There is no entrance fee. Sentence4: Thank you for calling and have a wonderful day. Goodbye. Sentence5: Thank you for all your help. That's all I need for now. Sentence6: Yes can you please and send me the reference number? Sentence7: Old Schools is an architecture tour. Sentence8: I would highly recommend the Charlie Chan for you. Should I make a booking for you? Sentence9: That sounds interesting. What is the entrance fee? Sentence10: Sorry, I am looking for a fine attraction which is also in the center of town. Sentence11: I'm looking for a restaurant, can you help? Sentence12: I need to know where a fin place ot go is, I dont care what type, just in the cetre area near where I am eating. Sentence13: Your reference number is OWA5YKJI . Do you need help with anything else? Sentence14: No problem. I would like it booked for two people at 20:00 on Saturday. Sentence15: I am sorry what is a fin? Can you please rephrase your question? Sentence16: old schools is nice and they are located in the centre Sentence17: What kind of attraction is that? Sentence18: Suggest something to me, near the restaurant. Sentence19: Sure. Can you tell me how many people will be there and when you would like the reservation for? Sentence20: Sure, do you know what you are looking to eat? Question: Who has spoken the sentence 12? (A) User (B) System
[A]:
Answer: (A) User