You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
--------
Question: Sentence1: Yes, that sounds great! Can I get it for 8 people for 3 nights please, we'll be arriving Tuesday. Sentence2: Great. Are there any trains that go directly from Cambridge to Norwich? Sentence3: Thank you for using our service. Have a good day. Goodbye. Sentence4: Yes, there are several. The trip time is 79 minutes and the cost is generally 17.60 pounds. Can I tell you anything else? Sentence5: I am looking for a guesthouse please. Sentence6: Would you like to try the Alpha-Milton Guest House located in the North? Sentence7: No, that's everything I needed. Sentence8: Any area as fine, as long as it has 3-star accommodations. Sentence9: How about for 2 days? If it's available will you please book and provide a reference number? Sentence10: I'm sorry, the hotel is unable to accommodate your party. Can you arrive on a different day or stay for a different number of days? Sentence11: In what area would you like it to be? Sentence12: I have successfully booked it for 2 days, and your reference number is OUKN0U42 . Question: Who has spoken the sentence 6? (A) User (B) System

Answer: Answer: (A) User


Question: Sentence1: Yes, where would you like to go to? Sentence2: Is there an area you'd prefer to stay in? Sentence3: Yes, book that one please. Sentence4: No free parking is not necessary. Sentence5: I prefer a moderate price one. Sentence6: Your room is reserved, ref# UCVH6QPU . Is there anything else I can help you with today? Sentence7: Would you help me book a train for Thursday, please? Sentence8: Can I get the reference number for that booking? Sentence9: There are over 200 trains going to Cambridge on Thursday. Where will you be departing from? Sentence10: Your booking was successful. Your reference number is Z3NAOPSY . Sentence11: Is that for 2 people? And I need it for 5 nights starting thursday. Sentence12: I would like a cheaper hotel. Sentence13: I would like to go to Cambridge Sentence14: That narrows us down to about 19 trains. Do you have a time you would like to leave after or arrive by? Sentence15: Ok I Am going to book a cheaper hotel for you ,have a good day,thank you. Sentence16: There is nothing in the price range you mentioned. Would you be willing to stay at a cheap hotel or an expensive hotel? Sentence17: Not that's it. Thank you so much! Sentence18: In the east. With free wifi, please. Sentence19: Do you need free parking? Sentence20: I would like to leave after 15:45. Sentence21: Yes, please. I am also looking for a place to stay, ideally a hotel with a 4 star rating in the moderate price range. Sentence22: Then in that case, I recommend the TR0209 which departs from Kings Lynn at 16:11 and gets into Cambridge at 16:58. Would you like me to book it for you? Sentence23: I'm sorry, let's get your hotel choice fixed first. There is one cheap hotel - The Cambridge Belfry. It has free internet and parking. Can I book this one for you? Sentence24: I found 3 guesthouses matching that criteria, I would recommend the Carolina Bed and Breakfast. Located in the east, 4 stars, and has free wifi. Will this one work? Sentence25: I will be leaving from Kings Lynn. Sentence26: Ok. Thank you for choosing Cambridge Towninfo Centre. We hope you enjoy your stay. Question: Who has spoken the sentence 13? (A) User (B) System

Answer: Answer: (B) System


Question: Sentence1: I prefer something in the expensive price range. Sentence2: They are located at 17 Hills Road City Centre, their postcode is cb21nw, and phone number is 01223358899. Sentence3: Could you tell me your destination please? Sentence4: Yes, could you please provide the addresses and entrance fees for the churches in the center? Sentence5: I need to go to the sesame restaurant and bar. Sentence6: There are several beautiful churches in the center; are you willing to pay to enter? Sentence7: I am also looking for Chinese food in the city center. Can you help me find some restaurant options? Sentence8: I just need the address, postcode and telephone number for the restaurant at this time. Sentence9: You're welcome! Have a nice day. Goodbye. Sentence10: That will be everything I needed today. Thanks for your help! Sentence11: Would you happen to know of any attractions involving architecture in Cambridge? Sentence12: Okay, I've booked a car for you. It's a white Tesla. The contact number is 07746645374. What else can I do for you? Sentence13: Sure, All Saints Church on Jesus Lane and Holy Trinity Church on Market Street are free to enter. Great Saint Mary's church on Market Square is 2 pounds to enter. Sentence14: The Sesame Restaurant and Bar sounds perfect for you. Would you like me to reserve it? Sentence15: We have 10 Chinese restaurants in the centre area. What price range are you looking for? Sentence16: Can you help me look for a taxi that will leave All Saints Church by 17:45? Question: Who has spoken the sentence 15? (A) User (B) System

Answer:
Answer: (B) System