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: How about the castle galleries? Sentence2: Sure I would like that, it'll be fore 2 people at 18:00 on tuesday. Sentence3: I want to find information on a restaurant called Wagamama. Sentence4: No, that will be all. Thank you! Sentence5: The address for Castle Galleries is unit su43, grande arcade, saint andrews street. Is there any other information you need? Sentence6: I was able to book at table for 2 on Tuesday at 18:00. Your Reference number is : ZZAA5FY2 . Can I assist you with anything else? Sentence7: Oh good choice. Wagamama is an expensive japanese restaurant that is located in the centre area. Would you like me to reserve you a table? Sentence8: Yes I also want to find a mutliple sports attraction in the town centre. Sentence9: Yes, that sounds great. Can you give me the address please. Sentence10: How about a museum? Sentence11: Your welcome. Have a great day! Sentence12: I'm sorry. We don't have any results. Would you like to try a different attraction type or area? Question: Who has spoken the sentence 9? (A) User (B) System
A:
Answer: (B) System