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: I need to book a taxi to pembroke college from prezzo. Sentence2: When would you like to leave? Sentence3: I would like to get there by 13:00. Sentence4: I've booked for you a white Volkswagen, the contact number is 07750608995. Sentence5: Have a great trip. Sentence6: Ok, what time would you like to leave? Sentence7: Ok, that's all I need. Thanks! Sentence8: I want to get there by 13:00. Sentence9: Is there anything else I can help you with? Sentence10: That's everything. Goodbye. Question: Who has spoken the sentence 8? (A) User (B) System
A:
Answer: (A) User