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

[EX Q]: Sentence1: I have 5 optionsd available,all have WiFi Sentence2: Do you know if any of them offer free wifi? Sentence3: Sure! We have 18 4 star guesthouses, would you like a specific part of town or price range? Sentence4: I'm needing a 4 star guest house today. Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Yes, please. For 5 people at 14:00 on monday. Sentence2: The camboats are located in the east, how's that? Sentence3: I do not have information on the fee. Sentence4: Ok, thank you. I'm also looking for a restaurant called don pasquale pizzeria. Sentence5: Your booking was successful with reference number 1RF57JD7 . Oh, by the way, your table will be reserved for 15 minutes. Enjoy! Sentence6: Have a lovely stay in Cambridge! Sentence7: Thank you for the reference number. Goodbye! Sentence8: That might be good. What is the entrance fee? Sentence9: Don Pasquale is in the centre. Would you like me to make a reservation? Sentence10: I'm looking for some boats in the East, actually. Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Tuesday from Cambridge to London Kings Cross, anytime after 15:45. Sentence2: The travel time is 51 minutes. Sentence3: What is the travel time on that train? Sentence4: I need to take a train from cambridge to London Kings Cross Sentence5: the whipple museum of the history of science is an interesting one! Sentence6: Thanks so much for your help today! Sentence7: The arrival time is 17:51. Sentence8: Sure! it is 01223330906. Sentence9: What is the entry free to the Whipple Museum? Sentence10: Thanks! Can you also tell me about the best museum in the center of town? Sentence11: What is the arrival time? Sentence12: I can help you with that! What day would like to travel and what time would you like to depart? Sentence13: Perfect. Can you get me a phone number for them? Sentence14: The entrance fee is free. Sentence15: Not a problem! Have a nice day! Sentence16: Train TR0945 fits the bill, would you like me to book you passage? Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]:
Answer: (A) User