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 a train from Cambridge going to stansted airport on wednesday. Sentence2: Thank you for using our services. Sentence3: I would like to arrive by 08:00. Sentence4: Sure, the address is 5 greens road and the postcode is cb13ef. Sentence5: Great, thank you. I don't need anything else. Bye! Sentence6: I recommend the Cambridge Artworks. The admission is free. Can I be of further assistance? Sentence7: Train 1610 leaves at 05:40 and arrives at 06:08. Would you like me to book a ticket? Sentence8: Yes please. Can you also please confirm the train ID, price, and departure time for me. Thank you! Sentence9: Can I get the address and and postal code for the Cambridge Artworks please? Sentence10: Those trains leave every hour beginning at 5:40 am. Do you have a particular arrival or departure time? Sentence11: Awesome. Could you also suggest a museum for me to visit? I'm thinking in the east? Sentence12: Train 1610 leaves at 05:40 and arrives at 06:08, price is 10.10 pounds Question: Who has spoken the sentence 9? (A) User (B) System
A:
Answer: (B) System