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

Example Input: Sentence1: You're welcome and thanks for using our help desk. Goodbye. Sentence2: Thanks for the recommendation. That's all the help I need today. Sentence3: I'm looking for the entrance fee for Castle Galleries. Sentence4: Yes, i would like help locating an attraction. Sentence5: OK - what type of attraction are you looking for, and in what part of town? Sentence6: Their entrance fee is free. Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I have pulled up City Stop Restaurant. What information do you need? Sentence2: I would like to book a table there for 4 peole on saturday at 19:45. and can i please get a reference number? Sentence3: Alright, thank you very much. That's all I need for now. Sentence4: Booking was successful. The table will be reserved for 15 minutes. Reference number is : OMKMNJEM . Sentence5: I am looking for information about city stop restaurant? Sentence6: You are welcome. Goodbye. Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Hello, I'm looking for local tourist attractions located in the west. May I please have that information? Sentence2: How about something that serves british food? Sentence3: Yes please for 4 people on saturday at 17:00. Sentence4: Clare hall is the best the address is herschel road. Sentence5: Yes tell me about the colleges. Sentence6: Yes, in the west, I have colleges and museums. Some are free and some cost several pounds. Would you like information for a college? Sentence7: Thank you. Could yo also find a Polish restaurant in the expensive range in the same area? Sentence8: There are five colleges in the west but the most prestigous one is churchill college, would you like more information? Sentence9: graffiti is very popular and suits all your needs. Can I book it for you? Sentence10: There are no expensive Polish restaurants in the west, are there any other sorts of restaurants you would like? Sentence11: Your table is booked, ref #U8T6LQEJ . Can I help you with anything else today? Sentence12: No. You're the best. Have a great day. Goodbye Sentence13: Could you pick the best on and give me the address? Sentence14: You have a great day as well! Goodbye! Question: Who has spoken the sentence 8? (A) User (B) System
Example Output:
Answer: (A) User