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

Sentence1: Yes, I would like a moderate price range with a 3 star rating. It doesn't need free internet. Sentence2: Yes!, Please find a reservation of a restaurant that serves Turkish food. Sentence3: Can you recheck the same area that has free wifi? Sentence4: Yes please, can i have the reference number? Sentence5: Did you book me at Anatolia Turkish? I need to book for 6 on Thursday at 17:30. Sentence6: I will get that for you now. Sentence7: Sorry I missed it before, I did find a moderately priced guesthouse in the west with Internet. The Hobson house. Shall I make a reservation? Sentence8: It is. On what day will you be checking in, for how many nights, and how many people? Sentence9: I have your booking for the Hobsons House. Your reference number is A4UULB11 . What else can I do for you today? Sentence10: Have a nice day. Sentence11: yes, if it has a three star rating Sentence12: You are booked at the Anatolia. Your reference number is IS9T6H2A . The table will be reserved for 15 minutes. May I help with something else? Sentence13: I have all price ranges and some guesthouses. Any preferences? Sentence14: Great Thanks for all your help. Sentence15: It will be for 6 people for 5 nights starting from Thursday.Can you get me the reference number? Sentence16: I have anatolia turkish located in the centre. It is moderately priced would you like to make reservations? Sentence17: my records shows nome. can we change location? Sentence18: I can go ahead and book that for you now. Sentence19: I'm looking for a restaurant in the same price range as the guesthouse, one that serves corsica food. Sentence20: Once you find the restaurant you want to book a table for the same group of people at 17:30 on the same day. Sentence21: I need a place to stay in the west of town. Sentence22: there is no place they serve corsica food. can you change the cuisine? Question: Who has spoken the sentence 17? (A) User (B) System
Answer: (B) System

Sentence1: Your booking is complete, a black toyota will pick you up. The contact number is 07768938666. Sentence2: I need to leave after 07:45. Sentence3: I am going to allenbell Sentence4: Thats perfect that you for your help Sentence5: You're welcome. Do you have any other concerns? Sentence6: I don't. I appreciate your help. Goodbye for now. Sentence7: OK, I'm glad I was able to assist you. If there ever is anything else don't hesitate to contact us. Sentence8: I'd love to help! Where are you going? Sentence9: And when would you like to leave or arrive by? Sentence10: Hi, I need to get a taxi out of kohinoor. Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System

Sentence1: Yes that is good please make a booking for 8 people at 14:15 on sunday. Sentence2: I need a place to stay that has free parking and is in the expensive price range. Sentence3: I need it to go between the hotel and restaurant, please. Sentence4: Yes, I would like to eat Chinese food. Sentence5: Oh I have some great options for you. I have a total of 4 restaurants, how about trying th Ugly Duckling? Sentence6: I can help you with that. Do you have any cuisine preferences? Sentence7: Yes please, I need rooms for 8 people starting Sunday for 3 nights. Sentence8: TO THE RESTAURANT! JUST BOOK IT< YOU HAVE ALL OF MY INFO! thank you Sentence9: I need a taxi from the hotel to the restaurant by 14:15. Please provide the car type and contact number Sentence10: Booking was successful. The table will be reserved for 15 minutes. Your reference number is 076ZN8YF Sentence11: Your taxi booking has been completed! The car type is a red Audi, Contact number 07964587638. Can I assist with anything else? Sentence12: The huntingdon marriott hotel is a 4 star hotel Sentence13: It doesn't matter. I would like 4 stars and fee wifi though. Sentence14: Yes it has both, would you like me to book you? Sentence15: Thank you and enjoy your stay! Sentence16: No, that is it for now. Thank you so much. Sentence17: I need to know where you are going? Sentence18: I found 33 hotels that match that criteria. Is there a particular side of town you prefer so I can make a recommendation? Sentence19: Booking was successful. Reference number is : TBICSA49 . Is there anything else I can assist you with? Sentence20: I will be happy to book that for you. Where is your destination? Sentence21: Hello, I am looking to find a restaurant that is in the centre. I would prefer something in the expensive price range. Sentence22: That sounds great! Does it have free parking and free wifi? Question: Who has spoken the sentence 12? (A) User (B) System

Answer: (A) User