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 book for 4 people and 5 nights from sunday Sentence2: I hope you have a great stay. Goodbye. Sentence3: I would prefer a college in town centre. I'll need the phone and address also. Sentence4: I am also looking for a place to stay in the centre. Sentence5: No that will be it thank you for your help. Sentence6: Booking was successful. Reference number is : 7RA903FR . Can I help with anything else today? Sentence7: Ok, there are 13 to choose from. Some have entrance fees. Sentence8: I'm looking for an attraction in the category of college in the center of town Sentence9: I have the cityroomz hotel in the center. Would you like me to make a booking for you? Sentence10: Moderate range please. Sentence11: What price range you would like? Sentence12: Sure thing, Downing college is located at regent street and phone is 01223334860 anything else I can assist with? Question: Who has spoken the sentence 11? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: the cambridge and county folk museum is located 2-3 castle street Sentence2: Yes, that would be great. There will be 7 of us. Sentence3: Do you have any 0 star places? Sentence4: Is there one in the moderate price range? Sentence5: I'd like to start on Friday please and stay for 3 nights. I will also need the reference number. Sentence6: Thanks, can you also give me the entrance fee, phone number, and postcode? Sentence7: Yes, Cityroomz is in the moderate price range. Would you like to make a reservation? Sentence8: Okay. Would you like to narrow it down by the area, price range, or type? Sentence9: I'd be happy to make a reservation for the 7 of you. I will need to know what day to start your reservation and for how many nights, please. Sentence10: I also need a place to stay. Sentence11: That will be all, and thanks so much for your help. Sentence12: I have 2 guesthouses and 1 hotel that are 0 stars, do you have a preference or want a particular area of town? Sentence13: I'm looking for the cambridge and county folk museum. Sentence14: The fee is 3.5 pounds, the number is 01223355159, and the code is cb30aq. Sentence15: Have a nice day. Sentence16: Your reservation for 7 people at Cityroomz this friday for 4 days 3 nights was successful. Your Reference number is : SOF4G9MY . Anything else I can do for you? Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Acorn guest house is in the moderate price range, are you looking to book in that pricerange then? Sentence2: Acorn guest house has good ratings would you like to stay there? Sentence3: Is it in the north? I need to be in the north area of the city. Sentence4: I'm sorry, there were no rooms available. Would you like to find another hotel? Sentence5: I do not need free parking. Sentence6: I need a place to stay please. A guesthouse would be great. Sentence7: Will you be needing free parking? Sentence8: Yes, please book starting Thursday for 4 people and for 4 nights. Sentence9: Yes, Acorn Guest House is a 4 star guest house with free internet and free parking in the north part of town. Should I book it for you? Sentence10: The Acorn is not available but I went ahead and booked the alpha-milton guest house. Your reference number is SJZ9ZJ8V . Sentence11: You are welcome. Enjoy your stay. Sentence12: Good. Thanks for your help. Sentence13: Could you try another hotel in the same price range and, if you make a reservation, give me the reference number? Sentence14: Yes, that would be fine, moderate price range. Question: Who has spoken the sentence 12? (A) User (B) System
Example Output:
Answer: (A) User