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 am also looking for a place to stay at a 4 star hotel near the restaurant. Sentence2: I was able to book a room for 5 people, 5 nights. Your reference # is 5DD52JOS . Can I help you with anything else today? Sentence3: I prefer something cheap. Sentence4: Yes, for 5 nights on the same day. I also need the reference number. Thanks! Sentence5: Lets go with charlie chan, I would like to to book a table for 5 people at 11:00 on wednesday. Sentence6: Okay, have a great day! Sentence7: Need a place to dine, chinese near centre. Sentence8: The Alexander Bed and Breakfast is cheap, would you like to book it? Sentence9: There are three options, charlie chan, rice house and golden house. Can I book you for one of those? Sentence10: Are either option cheap? Sentence11: There are two located in the same area. alexander bed and breakfast and university arms hotel? Sentence12: I think that is all I need today. Thank you for all your help. Sentence13: I have 10 places. Would you like a certain price range? Sentence14: Your booking was successful, the reference number is B1FIKA09 . Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I need to find a hospital nearby that has a hepatobillary and gastrointestinal surgery referral center Sentence2: No, that's it. Thanks! Sentence3: No, I just need the postcode. Sentence4: You're very welcome. Have a great day! Sentence5: Certainly. The postcode is CB20QQ. Anything else I can help you with today? Sentence6: Addenbrookes Hospital located at Hills Rd, Cambridge has that department. Would you like the phone number to that direct department? Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Yes, please. That would be great. Sentence2: Here is that information,phone-01223302010 post code-cb11bg Address-183 East Road City Centre Sentence3: Thanks so much. That's all I needed tonight. Sentence4: It isn't allowing me to make that reservation, is there a different day I can try. Sentence5: We have several options, and most are in the center of town. I recommend Cotto! Sentence6: Actually, I would just like the address, postcode and phone number instead at this time. Sentence7: Thank you, I also need a 4 star hotel in that area for 3 people, 2 nights, starting Friday evening. Sentence8: Booking was successful. Your Reference number is : Z3CX53OL . Sentence9: The University Arms Hotel fits your specifications, would you like me to book it for you? Sentence10: Okay, please tell me what day you will arrive, how many days you will stay, and how many people Sentence11: I am looking for a restaurant that serves british food in cambridge in the moderate price range Sentence12: Let's try Sunday, please. Sentence13: I need it on Friday for 2 nights and 3 people. Thank you. Sentence14: Absolutely! May I please have the day and time and also the number of people attending? Sentence15: You are welcome, enjoy your stay in cambridge Sentence16: Can you make me a reservation please? Question: Who has spoken the sentence 3? (A) User (B) System


Output: Answer: (B) System