Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: We have a lot of architecture in the centre. Holy trinity church and old schools are very nice. Sentence2: Howdy! I'm craving some cheap Italian food, you got any place like that? Sentence3: Yes, I'm also interested in things to do in the centre area. Can you make some suggestions? Sentence4: Yes I recommend zizzi cambridge. It's in the centre of town. Sentence5: Old Schools is an architecture attraction in the centre area of town. It is free! Sentence6: Do you have a certain type of attraction you would like? Sentence7: That sounds perfect! I think that's all I need for today. Goodbye. Sentence8: Thanks for using our system today! Sentence9: I'm actually open to anything to recommend as long as its in the centre Sentence10: What is old schools? And is there an entrance fee? Sentence11: I would like to book it on Wednesday, for 7 people at 19:00. Sentence12: Your booking was successful. The table will be reserved for 15 minutes. The reference number is 5D5KCZ65 . Is there anything else I can help you with? Question: Who has spoken the sentence 9? (A) User (B) System
Output:
Answer: (B) System