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

[EX Q]: Sentence1: Which one includes free parking? I don't need internet included. Sentence2: Does Finches Bed and Breakfast have free wifi? Since they both have free parking, I might as well go with the cheaper price. Sentence3: Both of them have free parking. Sentence4: Certainly! What time of day would you like to travel, and what are your departure and arrival locations? Sentence5: Good news! Booking was successful. Reference number is : G3504UR7 . Sentence6: Yes that would be perfect! Can I please get it for 3 people, 4 nights and We'll be there by Wednesday Sentence7: That train leaves at 11:11. Travel time is 47 minutes. Sentence8: There are two guesthouses on the west side: Finches Bed and Breakfast, with a cheap price point, and Hobsons House, with a moderate price point. Would you be interested in either of these? Sentence9: Thank you very much for your help. Sentence10: No, I just need the departure time. How long of a trip is it? Sentence11: I need to book a guesthouse in the west of cambridge, are there any? Sentence12: Yes, they have internet as well. Would you like to book this room for you? Sentence13: If you need help with anything else, please don't hesitate to contact us. Enjoy your travels. Sentence14: Will be leaving Cambridge & going to Kings Lynn. Wanted to arrive by 12:00. Sentence15: Sure, TR8704 arrives at 11:58, can I book a seat for you? Sentence16: Fantastic, I'd also like a train leaving on Sunday, please. Question: Who has spoken the sentence 12? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: No that's all I needed. Thank you! Sentence2: Mumford Theatre sounds great. May I have their address and entrance fee, please? Sentence3: The bridge guest house phone number is 01223247942. Can I help you with anything else? Sentence4: Hi, I'm traveling to Cambridge and I'm excited about tourist attractions. I'm looking for theatres in the centre of town. Sentence5: Can I please get their phone number as well? That's all I'll need for the day. Sentence6: I have many. May I suggest either The Cambridge Arts Theatre or Mumford Theatre? Sentence7: Unfortunately I am unable to find information on the entrance fee but the address is anglia ruskin enterprise, east road. Their phone number is 08451962320 Sentence8: Sure. The Bridge Guest House is at 151 hills road. Did you need any other assistance? Sentence9: Alright, thank you. I'm also looking for a particular hotel. It's called the Bridge Guest House, could you help me find it? Sentence10: You are very welcome, anytime. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Thanks again and please enjoy your visit! Sentence2: Is it possible for you to make a reservation for me? It would be for Monday. Sentence3: May I recommend Mumford theatre located at anglia ruskin enterprise, east road. Do you need any more information? Sentence4: Can I have the phone number? Sentence5: Thanks, I appreciate it. Goodbye. Sentence6: Book for 4 people on Monday at 18:15. Sentence7: That's all I need. Thank you for your help! Sentence8: Thanks! I am also looking for information on a restaurant named the Ian hong house. Sentence9: You are very welcome happy to help. Sentence10: For how many people please Sentence11: Absolutely! The phone number is 08451962320. Sentence12: your all set! reservation # is XJ3DII6Y . Anything else for you today? Sentence13: that is a chinese restaurant in the center. Sentence14: Can you help me find a theatre in the centre please? Question: Who has spoken the sentence 11? (A) User (B) System
[EX A]:
Answer: (B) System