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 need help, i just been the victim of a robbery. Sentence2: You are most welcome! Sentence3: Sure, here it is: Parkside, Cambridge. Sentence4: I am not hurt but I need to get in touch with the police, can you send me the address? Sentence5: Are you hurt? Sentence6: Thank you for your help Question: Who has spoken the sentence 4? (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: No, Friday works for me. Sentence2: Sure! The Booking was successful. Reference number is : 1JL8B2K4 . Sentence3: okay thank you! What is the travel time on that? Sentence4: Okay, great. Can I help you with anything else today? Sentence5: Please book it for 6 people for 2 nights starting on Wednesday. Sentence6: I want information on a particular hotel called home from home. Can you send me what you have on that? Sentence7: No thanks that is all I need. Sentence8: Have a lovely day, goodbye. Sentence9: Yes I can. Please tell me your departure city, day and time and I'll see what I dig up. Sentence10: This train actually leave on Friday. You wanted to leave on Wednesday, correct? I can rebook if needed. Sentence11: We are departing from cambridge on friday going to kings lynn. Arrival time should be around 09:00. Please book 6 seats. Sentence12: I am also looking for a train. Can you help me? Sentence13: Sure thing! Home from Home is a guesthouse in the North. With a moderate price range it is still a 4 star place to stay. Do you need more? Sentence14: Okay I've booked you on the TR2764 which will arrive at 8:58. the total fee is 58.8 GBP payable at the station . Reference number is : AQMKFOFZ . Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]:
Answer: (B) System