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

Input: Consider Input: Sentence1: I'm sorry can I help you with anything else? Sentence2: Booking completed! Booked car type blue honda Contact number 07444279931 Sentence3: Can you help me book a taxi? Sentence4: What is your destination? Sentence5: I need to leave the attraction by 15:15 and arrive at the hotel. Sentence6: No thank you. That is all. Sentence7: No preference. You pick. Sentence8: Definitely - Cambridge has many guesthouses. Is there a particular area or price range you had in mind? Sentence9: Thank you. I'm also looking for a place to go in the centre. I'll need the postcode for the attraction. Sentence10: Hi, can you help me find a guesthouse to stay at? Sentence11: You're welcome, glad I could help. Sentence12: Yes please for 2 nights starting from Sunday for 4 people. I will need a reference number. Sentence13: There are many places in the centre of town. Do you have any further preferences or would you like me to recommend one? Sentence14: I do not have a price range in mind. Sentence15: old schools is my favourite. can i give you the details? Sentence16: Your reservation for 4 at alexander bed and breakfast this Sunday for 3 days 2 nights was successful. Your Reference number is : 1FDBJB3A . Sentence17: Thank you very much. Sentence18: Thanks you have a nice day as well. Sentence19: Have a nice day. Sentence20: Sure, I will work on booking that for you. Sentence21: Alexander bed and breakfast comes highly recommended. It is located in the centre area and has a cheap price range, shall I book there for you? Sentence22: That is all I needed thank you for your time. Sentence23: Ok, I have booked you a yellow volvo, contact number 07291792842, is there anything else you need? Sentence24: I do not have a preference. Sentence25: Do you have a price range? Sentence26: Yes I need their postcode. Sentence27: Old Schools postcode is cb21tt. Will there be anything else? Sentence28: Did you get the reference number yet??? Question: Who has spoken the sentence 26? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Yes I would. Sentence2: The phone number is 01223312112. Do you need the postcode? Sentence3: You're welcome, and you have a nice day as well! Sentence4: Can you tell me anything about cafe jello gallery? Sentence5: I think that could work please make a booking for 6 people Sentence6: There are 10 trains that day. Is there a particular time you'd like to leave or arrive? Sentence7: i would like to arrive after 2:00 in the afternoon. Sentence8: Yes, the Cafe Jello Gallery is a museum located at 13 magdalene street in the west side of town. Would you also like their phone number? Sentence9: Booking was successful! Your reference number is GXIE5O8F . You have to pay 26.4 GBP at the station. Sentence10: No, but I am looking for a train from Ely on Thursday. Sentence11: Thank you very much that is all I needed. Have a good day. Sentence12: We have the TR0813 that arrives at 11:52 on thursday. Does that work? Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Wonderful. Please don't hesitate to contact me again for more help. Good bye. Sentence2: And what are your departure and arrival stations? Sentence3: No thanks, but can I have the postcode and price range for the Acorn, please? Sentence4: The acorn guest house has a 4 start rating. Would you like to hear other options? Sentence5: Yes that train's ID is TR2854 and the travel time of the journey is 105 minutes. Is there anything else I can help you with? Sentence6: There are several trains that would get you Leicester by 14:45. Did you have a departure time in mind? Sentence7: No, I don't need internet or free parking. Could you tell me the star ratings for those? Sentence8: Ok there is one that leaves Cambridge at 12:21 and arrives in Leicester at 14:06. Would you like to book that one? Sentence9: I have no preference for departure time as long as I arrive by 14:45. Sentence10: There is the acorn guest house, out of 33 results, did you need internet, parking, or a certain star? Sentence11: Yes I am looking for a guesthouse on the north side of town. Sentence12: I need a train on Wednesday, arriving close to 14:45. Sentence13: Yes that sounds good, can you please give me the train ID and travel time? Sentence14: I will be leaving from Cambridge and arriving in Leicester. Sentence15: Sure, the postcode for Acorn Guest House is cb41da and the price range is in the moderate range. Sentence16: Great thank you that's all the info I need today. Question: Who has spoken the sentence 12? (A) User (B) System


Output: Answer: (A) User