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

Input: Consider Input: 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

Output: Answer: (B) System

Input: Consider Input: Sentence1: I believe that's all I need. Thanks! Sentence2: It is an expensive restaurant on the west side of town. Would you like me to reserve a table for you? Sentence3: Yes I have many options for you. How about the Tandoori Palace? Sentence4: I'm looking for an Indian restaurant in the west. Sentence5: That might work. What is the price range of Tandoori Palace? Sentence6: Sure, it is located at 68 Histon Road Chesterton in the cb43le post code. Can I help with anything else today? Sentence7: You are welcome. Have a nice day. Bye. Sentence8: No that's OK, but could you give me their address and postcode please. Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: I am glad that I could help. Have a good day! Sentence2: What days are you planning on staying and how many people will be staying? Sentence3: The following train is available: TR8199 Broxbourne to Cambridge on Tuesday at 13:32 arriving at 14:32. This will cost 17.89GBP. Would you like to reserve this? Sentence4: Yes please. Just one ticket and could I get the reference number pleases? Sentence5: It's all booked, reference number is 22HE1KCU Sentence6: There are 2828 trains can you tell me where you would be leaving from and your destination? Sentence7: Yes, I was able to book the train for you. The reference number is 2DATSODP . Sentence8: I need a place to stay in the east Sentence9: Thank you I also need a train leaving after 13:15 on tuesday Sentence10: Yes, please book it. I need a reference number. I also need to book a train leaving after 13:15 on Tuesday. Sentence11: I would prefer a place in the moderate price range with 4 stars and free wifi. Sentence12: The train should go to cambridge and should depart from broxbourne. Sentence13: I have 3 results in the moderate price range. Do you need parking? Sentence14: Not a problem, would the A and B Guest House work for you? Sentence15: What pricerange are you looking for in your hotel? Sentence16: 1 person and 3 nights starting tuesday please. Sentence17: Ok, great! Thanks for all of your help. That is all I needed for today. Sentence18: No, I do not need parking. I would need you to book a place for 1 person who will be staying for three nights beginning Tuesday. Can you do that? Question: Who has spoken the sentence 14? (A) User (B) System
Output: Answer: (A) User