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: Sure, what will your arrival station be? Sentence2: Thank you! What kinds of restaurants are available? Sentence3: Yes, please. For Friday. 3 people at 16:30. Sentence4: Oh thank you so much. I also need a train from Bishops Stortford, can you help with that? Sentence5: Your welcome, Have a nice day. Sentence6: sure, i have 9 options for you Sentence7: Sure. The Graffiti is a restaurant that serves British food. The phone number is 01223277977. Would you like to make a booking? Sentence8: It is a total time of 38 minutes for the trip. Anything else that I can assist with? Sentence9: The departure time is 09:29. Is there anything else that I can help you with today? Sentence10: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 86G11ZVP . Sentence11: I will be heading into Cambridge. I will need it for Friday arriving by 12:00. Sentence12: Are there any expensive places to dine in the West? Sentence13: No that's ok. I just need the travel time. Sentence14: TR2083 will arrive at 10:07. Want to book? Sentence15: Nothing else today. Thanks so much for your help. Bye. Sentence16: Yeah, can you confirm the time I need to be at the station? Sentence17: I see british, european, and indian available. Sentence18: Can you tell me about one of the restaurants that serves British cuisine? Question: Who has spoken the sentence 8? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I want to know if the Worth House is still renting rooms. Sentence2: Yes make the booking or me for 2 and provide the reference number. Sentence3: Ok, I was able to make your reservation. Your total fee is 33.2 GBP. Your Reference number is : POE0NTR1 . Sentence4: yes book for 2 people and 3 nights from thursday Sentence5: Thank you very much. That is all the information I need. Sentence6: The TR1047 leaves Cambridge for London Liverpool Street Wednesday arriving at 07:27. The price is 16.60 lbs. Can I book it for you? Sentence7: Where are you departing from, and what day? Is there a certain time you need to leave or arrive by? Sentence8: i am planning your trip in Cambridge Sentence9: Sure, you really should be more pleasant. I need to get to London Liverpool Street on Wednesday by 20:45 please. Sentence10: Okay great! Have a great trip! Sentence11: Thanks. I also need to find a train to london liverpool street. Sentence12: Are you planning a trip to Cambridge? If so, what type of information are you looking for today? Sentence13: Since this is the cambridge help desk, I assumed that, I really need the date and time to get you booked. Sentence14: I am leaving from Cambridge. Sentence15: Yes they are. Would you like to book a room? Sentence16: Booking was successful. Reference number is : WX6QA7D0 . Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I would like something in the moderate price range. Sentence2: How about Italian food, than? Sentence3: That sounds good. Can you book the table for 7 people on Tuesday at 16:15? I also need a train departing from Cambridge that leaves after 11:30. Sentence4: The first train to leave after 11:30 on Tuesday is the TR4344, which departs at 11:34 and arrives at 12:24. Would that one do? Sentence5: I have found several. Do you have any preference towards price? Sentence6: Prezzo in the west offers moderately priced Italian food. Would you like me to book it for you? Sentence7: I'll be going to peterborough on wednesday. Sentence8: Sounds perfect. I need seven tickets please. Sentence9: No, that will be all. Thank you. Sentence10: Let us know if we can help you further. Good day. Sentence11: Hello, are there any moderate catalan restaurants in town? Sentence12: I am sorry my database is showing none in the area Sentence13: Your reservation with Prezzo was successful and your reference number is ILWV6LDN . They'll hold your table for 15 minutes. What is your destination for the train? Sentence14: OK, I have your tickets booked, the total fee is 115.5 GBP payable at the station. Your reference number is: KYI5FPOG . Can I get you anything else? Question: Who has spoken the sentence 11? (A) User (B) System


Output: Answer: (B) System