Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: How long is the train ride? Sentence2: I need a train to Broxbourne, leaving after 09:15 Sentence3: I would like to depart from cambridge on friday Sentence4: There are 98 trains, do you have a departure location and day? Sentence5: What time will I arrive? Sentence6: It will be 60 minutes. Sentence7: Thank you! That's all I needed. Sentence8: Booking was successful, the total fee is 17.89 GBP payable at the station. Reference number is : 7E3M8V02 . Is there anything else I can help with? Sentence9: The booked for 1 person TR0826 leaves at 10:01 and arrives by 11:01. Sentence10: All right, then. Have a nice trip, and a nice day. Goodbye. Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System