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

Sentence1: Thank you. That's all I need. Sentence2: I was able to book it, reference number is T2SNWPJA Sentence3: Okay, the Mahal of Cambridge serves indian food and is located in the centre. Would you like me to make a reservation for you? Sentence4: I am happy to help, what was the name of the place? Sentence5: Its the huntingdon marriot. I'd like to book it for 8 people on 2 nights starting on wednesday, and I'll need a reference number. Sentence6: Can you help me look up a particular hotel that I have in mind? Sentence7: Great, thanks for that. I'm also looking for information about a restaurant called mahal of cambridge. Sentence8: Yes please book a table on Wednesday for 8 people at 17:15, I'll need a reference number. Sentence9: It was my pleasure to help. Have a wonderful night. Take care. Bye. Sentence10: Your booking was successful reference number is 1QVLVD25 Question: Who has spoken the sentence 3? (A) User (B) System
Answer: (B) System

Sentence1: 07426688661 is the contact number, I have you in a grey Toyota. Sentence2: Great. Can you tell me where you will be traveling to and from? Sentence3: I need to get there by 11:45. Sentence4: That's perfect, thanks! Sentence5: I need to book a taxi please. Sentence6: You are welcome. Thank you for calling us. Goodbye. Sentence7: Can I help you with anything else? Sentence8: No, that's everything. Goodbye. Sentence9: I want to go from wandlebury country park to huntingdon marriott hotel Sentence10: Okay, I will need some more information from you. What time would you like to leave? Question: Who has spoken the sentence 8? (A) User (B) System
Answer: (A) User

Sentence1: Is that in the centre area and a museum? If it is please let me know the address, phone and entrance fee. Sentence2: Alright, I have booked you at Home from Home for two nights, reference number OASAAHHB . Sentence3: I have cheap and moderately priced guesthouses in the centre. What would you like, cheap or moderate? Sentence4: I would like to find a place to stay next weekend Sentence5: I just am looking for a place to stay in the north that includes free parking and should be a guesthouse. Sentence6: Sure, how about the broughton house gallery? Sentence7: Thank you! Have a wonderful day! Sentence8: Price doesn't matter. I need it for 3 people for 2 nights, starting thursday. Can I get the reference number? Sentence9: No, that's all I needed. Goodbye! Sentence10: We are happy to help. Do you have anything else you'd like assistance with? Sentence11: Thank you so much. I'm also looking for a good museum in town. Sentence12: Thank you so much for all your help! Sentence13: Yes, it is. The address is 98 king street, the entrance fee is free, and the phone number is 01223314960. Sentence14: Sure, what day would you like to begin your stay and how long will you be staying? Question: Who has spoken the sentence 11? (A) User (B) System
Answer: (B) System