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: 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: No, that's great, thanks. Sentence2: Your grey Honda is booked, and the contact number for the driver is 07817450562. Can I do anything else for you today? Sentence3: I need to actually arrive by 19:15. Sentence4: I will be departing from parkside police station. Sentence5: What time would you like to depart at? Sentence6: I'd like a taxi to the ugly duckling Sentence7: Where will you be departing from today? Sentence8: Have a nice day. Thank you for contacting us. Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: welcome. at your service next time Sentence2: The hospital is located at Hills Rd, Cambridge. The postal code is CB20QQ. Do you need more information? Sentence3: Hi, I am looking for a hospital, the Addenbrookes Hospital. Where is that please? Sentence4: I need their phone number, please. Sentence5: Thank you for using our services. Sentence6: Their general phone number is 01223245151. Is there anything else you need? Sentence7: That would be it. Thank you. Sentence8: Thank you for your help Question: Who has spoken the sentence 6? (A) User (B) System
Output: Answer: (A) User