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: The trip is 49 minutes. Sentence2: Thanks so much. And yes, could you possibly point me to some entertainment in the town centre? Sentence3: Fantastic. May I have the postcodes for those museums as well? Sentence4: I'm looking for a train from cambridge to stevenage. Sentence5: Unfortunately there isn't anything in the town centre that's entertainment, do you have an alternate preference or area you'd like? Sentence6: I can get you tickets for friday. The train departs the station at 05:21, is that time suitable for you? Sentence7: Thanks, that's all I need today. Goodbye! Sentence8: Is there anything else I can help you with? Sentence9: Can I get the addresses of both? Sentence10: Are there any museums in the centre? Sentence11: Castle galleries is at unit su43, grande arcade, saint andrews street. Primavera is at 10 king s parade. Sentence12: How long is the trip? I might like to leave somewhat later. Sentence13: Okay, I've booked you 6 tickets on train TR2515, which leaves at 05:21 and arrives at 06:10 in Stevenage. Your reference number is 1RMGSH2B . Can I help you with anything else? Sentence14: Castle Galleries is cb23bj and Primavera is cb21sj. Sentence15: There are 11 museums in the centre. Would you like to visit the Castle Galleries or Primavera perhaps? Both are free. Sentence16: Excellent. Book it for 6 people and I'd like to arrive before 12:45. Question: Who has spoken the sentence 11? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Would that be London Liverpool or London Kings Cross? Sentence2: We don't have any trains going from Ely to London Liverpool or London Kings Cross. Do you need anything else? Sentence3: I will be leaving from Ely and going to london. Sentence4: Are you sure you don't have a preference? Sentence5: Either one is fine with me. Sentence6: On Saturday I need a train that will arrive by 21:45. Sentence7: Yes I'm sure. I need to book that for 5 people. Sentence8: Can you tell me where you will be departing from and heading to? Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Have a great time. Good bye. Sentence2: There are 5 restaurants that meet your criteria. Can I interest you in Asia, Chinese, European, or French cuisine? Sentence3: I'm sorry, there are no expensive Indian restaurants on the north side. Sentence4: I'm going on a date and need an expensive restaurant on the north side of town. Sentence5: There is Saigon City. Would you like me to book a table for 2? Sentence6: That sounds good. I want to book a table for 5 people on Saturday at 17:45. Sentence7: No that was all I needed, thank you so much, goodbye! Sentence8: No, I really prefer Indian if possible. Sentence9: Aww, that's too bad. Hmm, can you see if there is an expensive Asian Oriental restaurant on the north side? Sentence10: Booking was successful. The table will be reserved for 15 minutes. Reference number is : HNO7WYMG . Is there anything else I can help you with? Question: Who has spoken the sentence 4? (A) User (B) System


Output: Answer: (A) User