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

Q: Sentence1: Could you also get me a taxi between the two that leaves the hotel by 6:15? Sentence2: There are 11 guesthouses that fit your criteria. Do you have a preference of north, south or east? Sentence3: The address is saint andrew's street. Sentence4: the taxi is booked. it's going to be a yellow tesla. their phone number is 07606976296. Sentence5: The area doesn't matter. I'll go with whatever guesthouse you recommend. Please make my reservation for 3 people, 5 nights, starting Thursday. Thanks. Sentence6: Thanks. I don't need anything else. Sentence7: What is the postcode? Sentence8: I have you booked at archway house, the reference number is N8IRHQYO, any further questions? Sentence9: I'm also looking for a moderately priced guesthouse, one with a four star rating. If it doesn't have free parking, that's fine. Sentence10: Can I recommend christ's college? Sentence11: Yes could I have the address and postcode of the college please. Sentence12: i am glad i have been of help. good day Sentence13: Have a great one. Thanks again for your help. Goodbye. Sentence14: There are 79 attractions, Do you have an idea of the type you're looking for? Sentence15: I need information on places to go and see. Sentence16: Yes, I would like the type of college. I will need the address and postcode please. Sentence17: Thank you, I'm glad I could be of help. Goodbye. Sentence18: The postcode is cb23bu. Can I help you find anything else today? Question: Who has spoken the sentence 2? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: How about TR9382? Sentence2: I would like to leave on Sunday. Sentence3: I think that'll work. I need to reserve two seats, can you help me with that? Sentence4: Booking was successful, the total fee is 7.04 GBP payable at the station. Reference number is : 6NJA0V8R . Sentence5: You're very welcome. Have a great day. Sentence6: Well I need to leave after 14:45, so if it is after that time that'll work. Sentence7: Thank you. That's all I need for now! Sentence8: Hi. I'm looking for a train from ely to cambridge, if there is one. Sentence9: TR9823 will leave at 15:35, how does that sound? Sentence10: Okay, what day do you want to leave? Question: Who has spoken the sentence 5? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: I need to arrive by 08:15 in Cambridge please. Sentence2: I have Acorn Guest House located in the North that has a 4 start rating would you like me to book it for you? Sentence3: could you check for something in the moderate price range? Sentence4: There are no expensive hotels in the north. Would you like a different price range or area? Sentence5: I have any what star rating would you like? Sentence6: Yes for how many people ? Sentence7: That doesn't matter as long as it's in the north. Sentence8: That doesn't matter as long as it's in the north. Sentence9: That's okay, I can book later. Can you help me find a train departing from Leicester on Tuesday? Sentence10: I am looking for a place to stay that is expensive, I am not worried if I pay to pay for parking. Sentence11: What hotel rating would you like? Sentence12: You bet! I have 19 to choose from. What time do you want to arrive? Question: Who has spoken the sentence 6? (A) User (B) System

A:
Answer: (A) User
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