You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: Howdy, I'm looking for a place to stay. I don't care about internet. Sentence2: I booked you at city centre north b and b. Your reference number is Y87Q565O . Do you need anything else? Sentence3: How about the worth house? It is a 4 star guesthouse and has free internet and free parking. Sentence4: You are so welcome. Enjoy your stay in Cambridge. Sentence5: Would you like me to book it for you? Sentence6: There are 33 hotels in Cambridge. What price range would you like, and what area? Sentence7: Yes and make it for Friday for 2 days, and 2 people. Sentence8: yes I like that one with the free wifi. Sentence9: I would like a cheap hotel in the north please. Sentence10: Thank you so much for your help. Question: Who has spoken the sentence 1? (A) User (B) System

Answer: Answer: (B) System

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: Yes, their number is 01223217231. Sentence2: Thanks so much. I'm heading there now. Thanks again. Bye. Sentence3: You're welcome. Goodbye. Sentence4: The address is Hills Rd, Cambridge and the postcode is CB20QQ. Sentence5: Can I please have the address and postcode? Sentence6: The closest hospital is located at Hills Rd, Cambridge. Sentence7: Do they have a children's oncology and haematology department? Sentence8: I sure hope so. I've been injured and I need a hospital. Question: Who has spoken the sentence 5? (A) User (B) System

Answer:
Answer: (B) System