Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Yes, it is a 4 star guesthouse located at 138 Perne Road. Very nice and clean place. Sentence2: I sure can! There are 44 attractions in the centre. Do you have a preferred type? Sentence3: Thank you so much, that is everything that i need Sentence4: Thank you. I also need to find an attraction in the Centre. Can you help me with that. Sentence5: Can you arrange for a taxi to pick me up at the Church at 15:15 and take me to the hotel? I'll need car type and contact number Sentence6: All Saints Church is an architecture interest and has free admission. It is located on Jesus Lane. Sentence7: Great! I need reservations for 3 people, for 3 nights, beginning on Thursday. Sentence8: Booking was successful. Reference number is : KYWFGUNH . Sentence9: Hi, I am planning a trip. Have you heard of a particular hotel? I think it is called the Carolina Bed and Breakfast. Sentence10: I hope you have a great time. Sentence11: The car is a red audi and the contact number is 07570056398. Sentence12: Can you pick one for me and give me the address ? Question: Who has spoken the sentence 9? (A) User (B) System
Output:
Answer: (B) System