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

Example Input: Sentence1: Yes, both the Hobsons House and the college are both in the west part of town. Would you like information for the college? Sentence2: Booking completed! Your ca is a black lexus and the contact number is 07301130189 Sentence3: It doesn't matter. Sentence4: Queens college is quite pretty. It is on Silver street in the west. Sentence5: Perfect! That's all I need today, thank you! Sentence6: No, I need something in the western part of town. Sentence7: There are lots of churches in the centre of town. Would you like to visit one? Sentence8: What would you recommend? I don't have a preference. Sentence9: There are many colleges and museums on the west side. There is also one entertainment center. Which do you prefer? Sentence10: Do you know when you want to get there by? Sentence11: You are very welcome. Glad I could help. Have a nice day. Sentence12: Is it near the Hobsons House hotel? Sentence13: Actually, the college sounds great. I don't need more info. But I would love a taxi to get me from Queens College to Hobsons House. I want to leave by 16:30. Sentence14: Hello. I'm looking for a few good places to see in town on my next visit to cambridge. Question: Who has spoken the sentence 6? (A) User (B) System
Example Output: Answer: (A) User

Example 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
Example Output: Answer: (B) System

Example Input: Sentence1: That sounds perfect! Could you book me a table for friday at 18:00 for 8 people. Could you include the reference number also? Sentence2: How about the De Luca Cucina and Bar? They're in the centre with a moderate price range. Sentence3: I have booked your table. Your reference is ZNVPVZD5 . Is there anything else I can help you with? Sentence4: Yes, for 2 nights for 8 people starting on Friday. Sentence5: There are a total of 4 restaurants in the centre of Cambridge that serves modern european food. Is there a particular price range you would like? Sentence6: You are welcome, goodbye. Sentence7: That should be everything. Thank you for all of the assistance! Sentence8: I'm looking for a place to dine in the centre of town that serves modern european food. Sentence9: Not really, but I have 8 people with me. Sentence10: Yes, I also need a hotel, I am on a budget so if you could find a cheap one that would be great. Sentence11: There are 9 guesthouses and 1 hotel that is cheap. Do you have any other criteria such as area? Sentence12: I have booked you and your party for the Allenbell. Your reference number is TZ42QW4H . May I assist you with anything else? Sentence13: Not really, I don't need free parking or anything. What is available? Sentence14: I would recommend the Allenbell. Would you care to book a room there? Question: Who has spoken the sentence 8? (A) User (B) System
Example Output:
Answer: (A) User