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

Q: Sentence1: book a table for 6 people at 11:15 on tuesday at the Hakka Sentence2: Sure what type of food are you wanting to eat? Sentence3: Do they have free wifi? Sentence4: I booked the taxi, it is a yellow tesla the contact number is 07809860598. Is there anything else I can assist with today? Sentence5: I will need a taxi to get to the restaurant. Sentence6: Booking was successful, and your reference number is TDVD6XSM . Is there anything else I can assist you with? Sentence7: That is all, thank you for your help. Sentence8: The Hamilton Lodge sounds perfect for you. Would you like to know more? Sentence9: I'm glad we were able to help. Sentence10: I would like to find an expensive restaurant in the north part of Cambridge. Sentence11: Yes, they do have internet. Shall I make a booking? Sentence12: There 2 of them - the Hakka and the hotpot. Which one would you like to try? Sentence13: Yes please. I want 4 nights from tuesday, and for 6 people. Give me the reference number too. Sentence14: I am looking for a hotel in the same area that has free parking. Sentence15: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 48WF5G7X . Can I help with anything else? Sentence16: How about chinese food? Question: Who has spoken the sentence 15? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: No, that's all I needed. Thanks for your help today! Sentence2: Can you search for a guesthouse that includes free wifi? Sentence3: The Avalon doesn't have room for 5 nights starting Monday. How about a different day or a shorter stay? Sentence4: That sounds perfect. Can I book it for 5 nights starting on Monday for 3 people? Sentence5: No, that doesn't matter, but I'd like something in the moderate price range. Sentence6: Avalon is available for four nights starting on Monday. Your reference number is 59GZA6ME . Can I do anything else for you? Sentence7: There are 14 options. How about the Avalon? It has 4 stars and free parking and wifi. Sentence8: You are welcome. Thank you for calling the Cambridge TownInfo Centre. Goodbye. Sentence9: Let's try 4 nights. Sentence10: We have 23 such places. Any preference on area? Question: Who has spoken the sentence 3? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: Are you looking to stay in a certain area of town? Sentence2: Can I get a taxi from the attraction to Rosa's B&B by 02:30? Sentence3: It's been my pleasure. Have a wonderful evening. Goodbye. Sentence4: Do you know the name of the attraction? Sentence5: Alright, you're booked! The car will be a yellow Lexus, and the contact number is 07345849347. Is there anything else you need today? Sentence6: Sure, it's located in the east and is on cherry hinton hall, cherry hinton road. The postcode is cb18dw. It's also free admission. Sentence7: Yeah I'd like to stay in the south. Sentence8: should have a star of 4. Sentence9: rosa's bed and breakfast is in the south and it's a 4 star hotel. Should I book it? Sentence10: Yes. Book for 3 people for 2 nights starting on Sunday. Sentence11: I would like information about Cherry Hinton Water Play, please. Sentence12: I am planning a trip and need information on a particular attraction. Sentence13: i also need a place to stay Sentence14: Do you have a price range or preferred star rating? Sentence15: No, that's it. Thank you. You've been a great help today. Sentence16: Your booking was successful. Your reference number is 10GCABIO . Is there anything else I can help you with? Question: Who has spoken the sentence 6? (A) User (B) System

A:
Answer: (A) User
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