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: Hi, I am looking for a place to swim at in cambridge. Sentence2: The Yippee Noodle Bar is moderately priced. Would you like me to book you a table? Sentence3: That is all I need. Thank you. Sentence4: Thanks, also in the centre of Cambridge, could you find me an asian oriental place to dine? Sentence5: There are 4 options for asian oriental which range from cheap to expensive. Do you have a preference? Sentence6: May I have their phone numbers and the entrance fee for the pools. Sentence7: Unfortunately it is not available at that time or party size. Sentence8: I prefer moderate cost Sentence9: There are four, including parkside pools located in the centre. Sentence10: The number for parkside pools is 01223446100. You will need to call them to see if there is an entrance fee. Sentence11: You now have a 16:45 reservation for 7 at Yippee Noodle Bar. Your reference number is BOZ3MSRO . Sentence12: Let's try 16:45 then. Sentence13: You are very welcome. Goodbye. Sentence14: Yes I would like to book a table for 7 on Monday at 17:45 Question: Who has spoken the sentence 10? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: 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

Output: Answer: (A) User


Input: Consider Input: Sentence1: What day will you be arriving? Sentence2: I meant Cambridge please. I would like to arrive in Cambridge on Monday after 21:15. Sentence3: Please book the hotel for 4 people and 2 nights. Thank you. Sentence4: I need to take a train from Norwich, leaving after 21:15. Sentence5: I would like to keep it in the moderate range, please. Sentence6: Great, thanks! I'm also looking for a 4 star hotel in the north. Can you please help with that? Sentence7: There are trains arriving at 22:35, 23:35 and 24:35. They are 17.60 pounds and 79 minutes each. Sentence8: I would like to go to Ely please. Sentence9: That's all I need for today. Thanks for your help! Sentence10: the same day... monday please. Sentence11: Where would you like to go to? Sentence12: I'm happy to help, and I hope you enjoy your stay! Sentence13: Shall I try to start and book you into one? Sentence14: I see 7 options. They are all guesthouses. Do you have preferences for internet and parking? Sentence15: I do not have a preference on those things. Sentence16: I don't need anything booked. I just need to get the arrival time, travel time and price of a train from norwich to cambridge leaving after 21:15. Sentence17: There are several that meet your criteria. Is there a price range you are interested in? Sentence18: How many nights will you be staying? Sentence19: Please book it and provide the reference number. Sentence20: Ok I will book that for you and get you a confirmation number Sentence21: I don't have any listings for trains leaving Norwich and arriving in Ely. Would you like to try a different departure station? Sentence22: I apologize, some of our new workers have phobias of the booking system, I booked you at Acorn guest house, the reference number is 04CSEO7Q any other questions? Question: Who has spoken the sentence 13? (A) User (B) System


Output: Answer: (B) System