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

[EX Q]: Sentence1: The postcode is cb41da. Is there anything else I can help you with today? Sentence2: There are 23 museums in town. Do you have a specific area you would be interested in? Sentence3: I need the post code also for the museum please. Sentence4: Acorn guest house looks available, would you like to book that? Sentence5: Their postcode is cb13ef. Is there anything else I can assist you with? Sentence6: Cambridge Artworks is in the east. They have no admission and their number is 01223902168 Sentence7: Yeah, can you have a taxi pick me up at the Acorn and take me to the Artworks, say around 24:45? Sentence8: Yes. I need a guesthouse. I should be a 4 star in the north. Parking is not important. Sentence9: I hope you enjoy your stay. Sentence10: No that's all I needed thank you! Sentence11: Not right now, but could you tell me their postcode? Sentence12: Which ever one is your favorite will do. Can I have their contact information and what is the entrance fee? Sentence13: Booking is complete. Your contact number is 07522217444. The car type will be a red tesla. Can I help you with anything else? Sentence14: I'm looking for museums in town. Can you recommend one? Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: I have information for the Parkside Police Station, is this close to your location? Sentence2: You're welcome. The police will help you immediately. Goodbye. Sentence3: Thank you for your help Sentence4: Please put me in touch with the local police, I was just robbed. Sentence5: The phone number is 01223358966 and the post code is CB11JG. Sentence6: I don't know, could you just give me the postcode and phone? Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: the TR4226 arrives at 14:07, would you like me to book 5 tickets for you? Sentence2: Yes, just the entrance fee, postcode and phone number. Sentence3: Please find a concerthall in the west for me. Sentence4: Thanks and have a great day. Goodbye. Sentence5: Yes, please. May I get the reference number? Sentence6: Maybe I confused you. Sorry. I need to leave Bishops Stortford on Wednesday, and arrive in Cambridge by 15:15. Sentence7: There are ten different trains to choose from. Do you have a specific time in mind? Sentence8: What other days are there? Sentence9: I need to arrive by 15:15 and will need to book for 5 people. Sentence10: There are many options. Where would you like to depart from? Sentence11: That's ok. I'll call for it. Thanks again. Bye for now. Sentence12: Unfortunately no train matches you request. Would you like a different day and time? Sentence13: I want to depart from Bishops Stortford. Sentence14: Sorry, I don't see any days for your search. Sentence15: The only concerthall in Cambridge is The Man on the Moon, located in the centre. Would you like more information? Sentence16: Their phone number is 01223474144 and postcode is cb12lf. Unfortunately there is no info on the entrance fee. Sentence17: Your train has been booked. The total fee is 50.5 GBP payable at the station. Your reference number is OWNJ1GL8 . Can I be of further assistance? Sentence18: Hey trying to locate a train that would leave on Wednesday and arrive in Cambridge. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]:
Answer: (A) User