Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Problem:Sentence1: Thank you for using our services. Do you need any further assistance? Sentence2: I am looking to book a train. I need to leave Cambridge and go to London Liverpool Street. Sentence3: I have a train leaving Thursday at 13:59, would you like me to book it for you? Sentence4: Not yet. I just needed to get the details. Thanks for helping me. Goodbye. Sentence5: Could you tell me when the train arrives in London Liverpool Street? Sentence6: The arrival time is by 15:27, do you want to book a seat? Sentence7: yes. i should leave after 13:45 and should leave on thursday Sentence8: That train arrives at 15:27. Would you like me to book it for you? Sentence9: No problem, I have many options for you. Do you have a particular day of the week you would like to travel, or time? Sentence10: yes pliz.may i also get the arrival time Question: Who has spoken the sentence 9? (A) User (B) System
Solution:
Answer: (B) System