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

Example Input: Sentence1: Thank you, can I get a taxi as well? I need to leave the hotel by 16:45 and go the restaurant. Sentence2: They are located Cambridge Leisure Park Clifton Way Cherry Hinton, cb17dy. Phone: 01223412430. Sentence3: Yes of course. It is rated 4 stars, is located in the west and is in the cheap price range. Would you like me to check availability for you? Sentence4: I actually dont need a reservation. just the address, postcode and phone number please. Sentence5: There are five great restaurants that match your criteria. I highly recommend cafe uno located in the centre of town. Sentence6: Hi, do you know of a hotel called finches bed and breakfast? Sentence7: Sure, I'll get right to that. First, can I ask the day you'd like to eat there? Also, what time and how many people? Sentence8: Okay, I've booked you a taxi leaving your hotel at 16:45. Look for a blue toyota, and if you need to contact them their number is 07524587523. Sentence9: The restaurant should serve italian food and should be in the expensive price range. The restaurant should be in the south Sentence10: My favorite restaurant would fit your criteria. It's called Frankie and Bennys. Would you like me to make you reservations? Sentence11: Sure. I'd need a room for 8 people, 5 nights starting on thursday. Sentence12: You're welcome! Have a wonderful day. Sentence13: Excellent, that's all the information I need, thank you for your help! Sentence14: Yes can you please make me a reservation? Sentence15: Booking was successful. Reference number is : 6AYRAXKH . Do you need anything else? Sentence16: Yes I am looking for a restaurant in the expensive price range that serves Italian food. Question: Who has spoken the sentence 5? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Please contact the Parkside Police Station at 01223358966. Sentence2: Help me please, i just been robbed and don't know what to do. Sentence3: Thanks, that's all. Good bye. Sentence4: Thank you for using our services. Sentence5: The postcode is CB11JG. Do you need further assistance? Sentence6: Thank you, what's the postcode? Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I have 3 listings for fitzbillies restaurant,the cambridge chop house and midsummer house restaurant. Sentence2: There are 7 British restaurants in the centre to choose from. Would you prefer a moderate or an expensive price range? Sentence3: There are 7 trains that can get you there, the earliest is levaing at 05:19, the latest at 08:19. Do you have a time you'd like to leave the station? Sentence4: Your booking was successful. The table will be reserved for 15 minutes. The reference number is : YONTCHWD . Is there anything else I can help you with today? Sentence5: Hm, how about we try the centre area for the polish food. Sentence6: If i remember right, I had you as a party of 8, I booked 8 tickets for TR9303. Cost is a total of 132, total reference # 011FPABG . Sentence7: Yes, I'll need tickets for my entire party. Sentence8: i will try british food Sentence9: Yes, that was correct. Thanks for all your help. My ride is here. I've got to go. Bye. Sentence10: i'd like an expensive, please. Sentence11: No, I do not care what time it leaves as long as it arrives in Cambridge by 9:30. Sentence12: Can I get a table for 8 at Fitzbillies? Thursday at 12:15, please. Sentence13: There are no Polish restaurants in the city. Would you like to try something else? Sentence14: I also need a train from peterborough on thursday. I'd like to arrive in cambridge by 09:30. Sentence15: I'm sorry, I don't have any Polish restaurants in the area. Is there anything else you'd be interested in? Sentence16: Have a nice day. Sentence17: Are there any good polish restaurants in the city? Sentence18: Let's get you on the TR9303, it leaves Peterborough at 8:19 and gets to Cambridge at 9:09. Would you like a reservation? Question: Who has spoken the sentence 11? (A) User (B) System
Example Output:
Answer: (B) System