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

Sentence1: Of course, silly me. I'd like to travel from Cambridge to London Liverpool Street on Saturday, and I need to get there by 19:00 please. Sentence2: Allright. TR0357 departs at 09:39. Would you like me to book you tickets? Sentence3: Thanks for the help, that's all for now. Sentence4: Sure! Their number is 01223227330. Sentence5: Well, I want to leave on Saturday. You tell me the best options. Sentence6: I would like to arrive by 19:00. Sentence7: A ticket from London Liverpool Street to Cambridge is 13.28GBP. Sentence8: I also need their phone number. Sentence9: Can you tell me where you are leaving from and going to? Sentence10: what days look like the best ones to get a great deal on hotel with train ride. Sentence11: Can you help me find a train for my upcoming trip to your city? Sentence12: Absolutely, the address is 15-19 Trumpington Street. Is there anything else I can assist you with today? Sentence13: Ok, I'll have to speak with my friend to see if that price is acceptable. Can I please get the address to the restaurant Hotel Du Vin and Bistro? Sentence14: There are 202 options that day! Do you know what time you want to leave or arrive? Sentence15: Can you give me the ticket price? Sentence16: I hope you have a good trip. Have a nice day. Goedbye Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System

Sentence1: You are very welcome. Goodbye. Sentence2: I am looking for an expensive restaurant in the east part of town. Sentence3: Is there anything else? Sentence4: What is the phone number for Yu Garden? Sentence5: yu garden is on the east side, would you like the phone number? Sentence6: The phone number for Yu Garden is 01223 248882. May I help you with anything else? Sentence7: No, I think that's it. Thank you for your help. Sentence8: I have found several. Would you like British, Indian, gastropub, or Chinese? Sentence9: There are no other types of expensive restaurants in the east, would you like to try another area? Sentence10: Is there another chinese restaurant in the east? Sentence11: Yu Garden is the only Chinese restaurant on the east side of town in the expensive price range. Sentence12: No, that's okay. What Chinese restaurants are there on the east side? Question: Who has spoken the sentence 11? (A) User (B) System
Answer: (B) System

Sentence1: Enjoy your stay in Cambridge. Sentence2: Are you looking to stay in a guesthouse or hotel? What are of town do you prefer? Sentence3: No. But I do need a taxi from the hotel to the college. Sentence4: Okay, well, again, I really appreciate all the help you gave me. Sentence5: I am planning a trip and need help finding a place to stay. Sentence6: I was thinking a guesthouse on the east side of town Sentence7: I can do that. Do you have a departure time or arrival time for your trip? Sentence8: Wait! I forgot something. Can you also tell me about a place called Saint John's College? Sentence9: here are the details,Booking completed! Booked car type : black volkswagen Contact number : 07300200666 Sentence10: I can afford an expensive place, but if there are no rooms a cheap hotel will do as well. Sentence11: Thank you, that's all I need today. Sentence12: Yes, of course, how could I forget?! I'd like to leave the hotel by 16:45. Are you able to book for that time? Sentence13: Allenbell is a nice place, cheap. There wasn't anything expensive. Sentence14: that is fine. book for 8 people and 5 nights from friday Sentence15: you are welcome. call me if you need anything else. Sentence16: Booking was successful. Reference number is : BLY0KYCW . anything else? Sentence17: Of course. What would you like to know? Sentence18: you are welcome Sentence19: St. John's College is located in the centre area. Do you need additional information? Sentence20: No, that's it. Thank you for all your help. Sentence21: Do you have a price preference? I have both cheap and moderately priced guesthouses available. Sentence22: What area is it located ? Question: Who has spoken the sentence 8? (A) User (B) System

Answer: (A) User