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

Example 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
Example Output: Answer: (A) User

Example Input: Sentence1: Where did you want to get on the train? Sentence2: Alpha-Milton Guest House is 3 stars with no internet or parking. Would you like to book a room there? Sentence3: Okay, there are lots of choices. What time of day would you like to travel? Sentence4: I'd like to book it for 4 people and 2 nights starting Monday. I need the reference number as well. Sentence5: Yes, I am looking for a place to stay. I would prefer to stay in the North at a 3 Star location. Sentence6: No, I don't need assistance with the booking. Can you tell me the cost of the ticket though? Sentence7: I show 2 option, both in the moderate price range. Do you need parking or internet? Sentence8: TR7940 will get you there by 20:38, would you like me to book it you some tickets? Sentence9: Yes, I need a train to get me to Cambridge on Monday. Sentence10: The cost per ticket is 16.50 pounds. Can I assist you with anything more? Sentence11: Neither of those matter, but I would like it to be a guesthouse. Do one of those match? Sentence12: No, that's everything. Thank you. Sentence13: You're welcome! I hope that you enjoy your stay in Cambridge. Have a nice day. Bye. Sentence14: Fantastic, your reference number is T2AUGQ7S . Is there anything else you need today? Sentence15: I need to get there by 20:45. Sentence16: I will be departing from peterborough. Question: Who has spoken the sentence 8? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: I would like this train to be on the same day of the restaurant booking and arrive by 8:00. Sentence2: Booking was successful. The table will be reserved for 15 minutes. Your Reference number is : 4M02K9XY . Sentence3: I can book passage for you on TR5163, arriving in cambridge at 7:35 on Sunday. How many tickets do you need? Sentence4: I'm glad I could help. Have a wonderful day! Sentence5: There are two trains you can take, one leaves at 10:16 and arrives at 11:35, or there is one that leaves at 11:16 and arrives at 12:35. Sentence6: I would like to know the approximate travel time and price per ticket for this particular train. Sentence7: Thanks. Looks like that's all I need today. I appreciate your help. Sentence8: It costs 14.08 pounds per ticket, and the travel time is 79 minutes. Sentence9: Kymmoy is an asian oriental restaurant located at 52 Mill Road City Centre. It is in the expensive price range. Would you also like their phone number? Sentence10: sure, and could you book a table for 3 at 12:45 on sunday. I would also like the reference number as well, thank you Sentence11: I am looking for a train going to Cambridge departing from Norwich. Sentence12: Absolutely. Can you provide me with more specifics to narrow down your search? Sentence13: Thank you! Would you also be able to book a train for me? Sentence14: I'd like some information on a restaurant called Kymmoy, please. Question: Who has spoken the sentence 11? (A) User (B) System
Example Output:
Answer: (B) System