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

Q: Sentence1: Actually, I'm all set. Thank you! Bye! Sentence2: OK, great. will it be the same two people as on the train and starting on Monday? or do you have different needs for lodging? Sentence3: What is the price for that trip? Sentence4: Could you clarify if you need the reservation for 1 or 2 people please? Sentence5: Certainly, where will you be departing from? Sentence6: It look like the TR0532 is what you are looking for departing Bishops Stortford at 7:29 and arriving in Cambridge at 8:07. Would you like to book? Sentence7: The postcode for Worth House is cb41da and yes, it has internet! Sentence8: I would prefer the hotel be in the north part of town. Sentence9: I don't need to book today, thanks. Can you get me the postcode of one of them? Oh, and please make sure the one you choose has internet! Sentence10: Okay you sure you will not require a booking? Sentence11: I need a cheap hotel with free parking. Sentence12: The fare is 10.10 GBP per ticket. Sentence13: Okay let me see if I can book that for you. Sentence14: I need reservations for 2. Sentence15: Hi I am looking for a train to arrive in Cambridge by 08:15. Sentence16: Nope, same people. Sentence17: I've booked your tickets for the 7:29 train from Bishops Stortford, reference ZHT6R80S . Can you give me more information about the type of hotel you'd like? Sentence18: 1 person 5 nights please Sentence19: There are 10 total hotels, do you have a preference for area? Sentence20: I'd be happy to book that for you, what day will you be arriving on, and for how many nights? Sentence21: I'll be leaving from Bishops Stortford on Monday. Sentence22: I will go ahead an book at the Worth House. Sentence23: City centre north b and b and Worth house are both guesthouses and located in the north. Would you like me to book one for you? Sentence24: I need to make a booking for 2 people and can you find me a place to stay in the north? Question: Who has spoken the sentence 17? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: It looks like there are hourly trains starting at 5:09. Did you have a particular day and time in mind? Sentence2: Thanks for the help. Sentence3: Will you train arriving at 07:54 work ok for you? Sentence4: Yes I need it booked for 2 people please. Sentence5: Unfortunately, there are no other Italian restaurants in the east. Would you like me to find you one in another area? Sentence6: Is the pizza hut in the moderate price range? Sentence7: I've successfully booked 2 tickets for you, the reference number is 9FE8N16G . Sentence8: I am looking for an Italian restaurant in the east. Sentence9: Pizza hut fen ditton matches your description. Sentence10: I guess it'll have to do. Can you book us a table for 2 on Wednesday at 14:00 please? Sentence11: Uh, no pizza hut's please. Something more classy please. Sentence12: Absolutely! To start, let me get more details. What are your desired departure and arrival cities? Sentence13: Thanks so much! Can you help me with train tickets too? Sentence14: Yes, it is. Should I book it for you? Sentence15: Yes, I'd like to book the train for Wednesday and I want to arrive in Cambridge by 08:30. Sentence16: Booking was successful. The table will be reserved for 15 minutes.Reference number is : H4BTTI6P . Sentence17: The train should go to cambridge and should depart from leicester. Sentence18: Have a great day! Question: Who has spoken the sentence 7? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: What area would you like to stay in? Sentence2: I need it for 7 people. 5 nights starting Sunday. Sentence3: Which of the 2 hotels should I book for you? Sentence4: Are there any amenities that you are looking for? Parking? Internet? Sentence5: TR2021 is leaving at 20:24 would that work for you? Sentence6: I don't really have a preference for area. But I would like it to be a hotel rather than a guesthouse. And I would love free parking. Sentence7: I'd like free parking. Sentence8: How about the Ashley Hotel? Sentence9: Booking was successful, the total fee is 56.56 GBP payable at the station . Reference number is : EZIAXWCQ . Can I help you with anything else? Sentence10: Great! I'm glad I could be of help. Have a good day. Sentence11: We have ashley hotel and lovell lodge, shall I book you for one of the two? Sentence12: I am also looking for a train departing from stansted airport going to cambridge on sunday. I need to leave after 19:30. Sentence13: I'm looking for a place to stay in Cambridge, moderate price for a hotel. Sentence14: Yes, please make a booking for my group. We'll all be traveling together. Sentence15: Thank you that is all I needed today. Sentence16: Booking was successful. Reference number is L1S8JNAC . Do you need anything else? Question: Who has spoken the sentence 4? (A) User (B) System

A:
Answer: (A) User
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