Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: No. I need to leave from leicester and arrive in cambridge. I also need to arrive by 10:15. Sentence2: I need a train into cambridge on wednesday, please. Sentence3: Okay great. I am glad I could be of help! Sentence4: I can certainly find one for you. Can you tell me where you will be departing from? Sentence5: Sure. I'm leaving from Cambridge. Sentence6: Booking was successful, the total fee is 37.79 GBP payable at the station. Reference number is : KW6ZO219 . Is there anything else I can help with? Sentence7: Okay great. Thank you for your help. Sentence8: You're leaving from cambridge going to cambridge? Sentence9: TR7703 will depart leicester Wednesday at 8:09, arriving in cambridge by 9:54, would you like to book a ticket? Sentence10: Yes I would like to book a ticket on TR7703 for Wednesday morning, thank you. Question: Who has spoken the sentence 8? (A) User (B) System
A:
Answer: (A) User