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

[EX Q]: Sentence1: Yes I was able to do this and the reference number is J7S65ALV . Sentence2: Ok. Thank you and good bye. Sentence3: i need information of a hotel called allenbell. Sentence4: I am also looking for an entertainment place. Sentence5: Sure, great guesthouse on the east side. 4 stars but still cheap. Sentence6: Would you like the attraction in the same area as the guesthouse? Sentence7: My favorite is Nusha. It's in the south. Unfortunately, I don't have the information on their entrance fee, but I can give you their phone number, if you like. Sentence8: That would be fine. I think that's all I need. Thanks for your help! Sentence9: That doesn't really matter. What's the entrance fee and area for your favorite entertainment place? Sentence10: Could you make a reservation for 8 people for 5 nights starting Tuesday? I will also need the reference number. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Wait, I might want to change my mind about that restaurant. Are there any that serve food from Corsica? Sentence2: No, there are none fitting that description, sir. Sorry about that. Sentence3: Booking was successful. The table will be reserved for 15 minutes. Reference number is : Q91F26L3 . Sentence4: Do you need any further assistance? Sentence5: Royal spice is cheap and looks great. Sentence6: I'm looking for places to eat in the North part of town. Sentence7: Thank you for using our services. Sentence8: You're more than welcome. May I do anything else for you today? Sentence9: Thanks, will you please book a table for 6 people on saturday at 12:45? Sentence10: its called city stop restaurant, serves european food and address is Cambridge City Football Club Milton Road Chesterton Sentence11: No, thank you. No further questions for now. Goodbye. Sentence12: I figured, my wife asks me odd random question sometimes, had to check. I am all set, thanks. Sentence13: I need a cheap place, please. Sentence14: Perfect! Thank you for all of your help. Sentence15: No, it is expensive. Sentence16: Is it a cheap restaurant? Question: Who has spoken the sentence 9? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: I would like to visit a college in the centre please. Sentence2: just one person please. Sentence3: What type of attraction would you like to visit? Sentence4: Wow! That's one smart place. Pick one that you like! Sentence5: You're welcome. Have a great day! Goodbye. Sentence6: Arbury Lodge is located at 82 Arbury Road, in the north area of town. It's 4 stars and moderately priced. Would you like to book a room? Sentence7: Sounds good. How many people should I make reservations for? Sentence8: I have made your reservation for 1 person, for 4 nights starting on Sunday. Your reference number is RX0F3K8S . Is there anything else I can do for you? Sentence9: Thanks so much for the information. Good day! Sentence10: looking for arbury lodge guesthouse Sentence11: you have been assigned a white skoda and the contact is 07605405449. what else do you need? Sentence12: thanks. i'm also looking for some places to visit around town. Sentence13: Yes I would like a room for 4 nights starting from Sunday. I will also need the reference number please. Sentence14: I also need a taxi between them that leaves the hotel by 12:30. Sentence15: great, i have 13 you could visit! Sentence16: gonville and caius college has a free entrance fee. Their phone number is 01223332400. Is there anything else I can help you with today? Sentence17: gonville and caius college is my favourite. can i give you their contact? Sentence18: Yes please give me their entrance fee and phone number. Question: Who has spoken the sentence 15? (A) User (B) System
[EX A]:
Answer: (B) System