You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: I think a museum sounds good. Sentence2: Do you have their contact number? Sentence3: There are five options, but I recommend maharajah tandoori restaurant, would you like more information or a booking? Sentence4: I suppose I could visit the one that cost. Could I get the address, phone number and postcode to that location please? Sentence5: cambridge and county folk museum is located at 2-3 castle street post code cb30aq. their phone number is 01223355159. is there anything else i could help you with? Sentence6: Thank you. What kind of car will they be driving? Sentence7: I will also need to book a taxi. Sentence8: Okay, please book for tuesday at 13:15. It'll be 5 of us dining. I'll need the reference number Sentence9: You are welcome Sentence10: Your all set! Sorry for any confusion. Your ref number is 9UQFB5UA make sure you get there 15 minutes ahead! Sentence11: Are you looking for anything in particular? There are museums, colleges, and an entertainment venue on the west side of town. Sentence12: Actually, I'm looking for an expensive place to eat after I visit the museum. I'm hoping for latin american food. Sentence13: There are several in that area. 4 has no entrance fee and 1 costs 3.50 pounds. Did you have a preference? Sentence14: How about Indian food. Sentence15: I'm sorry, there are none that meet your criteria. Is there anything else you would prefer, or maybe a not-so-expensive restaurant? Sentence16: I am sorry, our system is down and I can't get that booked right now. Is there anything else? Sentence17: They will be driving a white skoda. Is there anything else I can help with? Sentence18: Yes, their contact number is 07346227585 Sentence19: I'm looking for an attraction in the west. Sentence20: OK, I guess that is all. Thanks a lot! Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System