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: I prefer a gueshouse. Sentence2: I'm glad I was able to help you today! Thank you for contacting Cambridge TownInfo centre. Enjoy your trip! Goodbye! Sentence3: There are many places to stay that offer free parking. Do you prefer a guesthouse or hotel? Sentence4: No, but can you help me find a restaurant? I think it's called Meghna. Sentence5: Ahhh.. great, thanks! That's all I needed! Sentence6: Yes, they are at 154 chesterton road and can be reached by phone at 01223353888. Would you like me to book you? Sentence7: Great can you tell me the star rating of the hotel as well? Sentence8: Yes, that is a moderate priced indian restaruant in the west. Sentence9: Acorn Guesthouse has a star rating of 4. Would you prefer other options or would you like for me to book you? Sentence10: That's it! Can you give me the phone number and area, please? Sentence11: Can I please have their address and phone number? Sentence12: The acorn guest house would fit your needs would you like me to make a reservation for you Sentence13: Meghina's phone number is 01223727410. They are located in the west. Sentence14: Place to stay the night, with free parking and it doesn't need free wifi. Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: Yes as long as its in the same area and price range. I need a reference number too then please Sentence2: I'm looking for a cheap restaurant in the west area. Sentence3: I was unable to book that, would you like me to try something else? Sentence4: Okay that is all I need for now. Sentence5: I was able to get you into Thanh Binh. Your reference number is CLIBOL1Q . Sentence6: Let's go with La Margherita. Could you book a table for 2 people at 13:30 on Saturday? Sentence7: Thank you and goodbye. Sentence8: You have your choice of La Margherita, which serves Italian food, or Thanh Binh, which offers vietnamese cuisine. Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Your reservation for a table of 3 at sitar tandoori this sunday at 12:15 was successful. The table will be reserved for 15 minutes. Your Reference number is : 99050JJK . Sentence2: Hello, I'd like some information on a train departing from Cambridge on sunday that leaves after 18:15. Sentence3: I'm trying to get to london kings cross. Sentence4: I have several expensive restaurants available. What type of food would you like? Sentence5: Your booking was successful, the total fee is 56.64 GBP payable at the station . Reference number is : T7JV2Z8H . Is there anything else I can help you with today? Sentence6: Yes, please reserve 3 seats for us on that train, thanks. Sentence7: Yes, I would like the east area please. Sentence8: What time are you looking to arrive? Sentence9: I don't have an arrival preference but I want to leave after 18:15. Sentence10: Yes go ahead an book it. Could I get the reference number please? Sentence11: I would like Indian food please. Sentence12: There will be three of us dining on Sunday at 12:15. Sentence13: You're very welcome! Have a great time! Bye! Sentence14: There are 59 trains leaving Cambridge on Sunday after 18:15. What is your destination? Sentence15: I have train TR9039 leaving at 19:00 and arriving at 19:51. Would you like to book that? Sentence16: There are 2 Indian restaurants in that area. I would recommend the sitar tandoori. Would you like me to book a table for you? Sentence17: I would like to dine at an expensive restaurant. Sentence18: Thank you for your help. thats all i need today. Sentence19: When would you like to dine, and how many will be in your party? Sentence20: Is there a certain area of town you would prefer to dine at? Question: Who has spoken the sentence 6? (A) User (B) System
Output: Answer: (A) User