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

Q: Sentence1: I meed a moderately priced place to stay. Sentence2: There are 3 guesthouses that meet those requirements I recommend warkworth house. Would you like me to book it for you? Sentence3: I am also looking for a train. Sentence4: I have a train that arrives in cambridge by 18:07. It would be helpful to know your destination so I can serve you better. Sentence5: The train should leave from bishops stortford and go to cambridge and arrive by 19:30. Sentence6: I'll be happy to help you with that. What day would you like to travel and where would you like to depart from? Sentence7: I would like to stay in the east. It should have a 4 stars and I would also like free wifi please. Sentence8: Booking was successful. Reference number is : FGTT1OBZ . Is there anything else I can help you with today? Sentence9: thank you i think you should prepare before departure thank you Sentence10: I have found a list of hotels with a moderate price range, what area, type, star of the hotel would you like? Sentence11: I need to leave from Bishops Stortford the same day I arrive at the hotel. I need to arrive close to 19:30. Sentence12: Yes, please! 5 of us will be staying for 3 nights, and we're arriving on Friday. Question: Who has spoken the sentence 6? (A) User (B) System

A: Answer: (A) User
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Q: Sentence1: Thank you for using the Cambridge Town Info Centre Services. I hope you enjoy your time in Cambridge! Sentence2: is it in moderate price range? Sentence3: Do you have anything in the moderate price range? Sentence4: Most of our nightclubs are right in the center of town. Kambar is my favorite. Sentence5: No, thanks. Can you find a gastropub restaurant in the centre, please? Sentence6: it is an expensive gastropub Sentence7: Yes, there's the the cow pizza kitchen and bar. Sentence8: They're located on Corn Exchange Street. Would you like me to make a reservation for you? Sentence9: Awesome! Can you provide me with the address, entrance fee, and postcode, please? Sentence10: The address is 1 wheeler street cb23qb and admission is 5 pounds, would you like their phone number? Sentence11: I am looking for something fun to do while in town. A nightclub would be nice. Sentence12: What is their address? Sentence13: backstreet bistro is an expensive gastropub in the centre area. Would you like more information? Sentence14: No, I just need information for today. You have answered all of my questions. Thanks so much. Bye. Question: Who has spoken the sentence 1? (A) User (B) System

A: Answer: (B) System
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Q: Sentence1: In what area would you like to stay? Sentence2: I have 2 options in the south. Both offer free wifi and parking. The Bridge Guest House is 3-star rated. The other is Aylesbray Lodge Guest House which has 4-star rated. Sentence3: You have helped me tremendously. Thank you! Goodbye! Sentence4: Is it a guesthouse? I would prefer a guesthouse. Sentence5: Yes, I am looking for places to go in the southern part of town. Sentence6: Yes, there are 14. Which area were you looking for? Sentence7: OK, then what about the moderate price range? Sentence8: I also need a really expensive place to stay. Sentence9: May I recommend University Arms Hotel, in the centre city? It has four stars, free wifi & parking, and is quite luxurious. Would you like to make a booking there? Sentence10: That sounds good. Can you tell me the entrance fee and phone number? Sentence11: Would you be interested in a museum? The Byard Art Museum is located at 14 King's Way in the south. Sentence12: Sounds good. Can I book a room for one person for two nights starting tuesday? Sentence13: Area does not matter. I do need free wifi. Sentence14: Can you get me a car to pick me up from the museum and take me to the guest house? Sentence15: Booking was successful, the reference number is AQIMZ6OO . Anything else I can do for you? Sentence16: OK, a grey honda should be picking you up at the museum, the contact number is 07694082426. Is there anything else I can help you with? Sentence17: Sure! What time would you like to leave the museum? Sentence18: It was my pleasure! Enjoy your stay! Sentence19: There are no guesthouses matching your requirements. Sentence20: That's all for today. Thanks for your help. Sentence21: Sure thing! It has free admission and their phone number is 01223464646. Is there anything more I can help with today? Sentence22: I am looking for a place in the south side of town. Sentence23: Thank you so much. Have a great trip! Sentence24: I want to leave the museum by 7:30. Question: Who has spoken the sentence 17? (A) User (B) System

A:
Answer: (B) System
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