You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Camboats is located at The Plough, Green End, Fen Ditton and their phone number is 01223 902 112. Can I help you with anything else today? Sentence2: I would like to leave the restaurant by 03:45 please. Sentence3: I have booked you a taxi. The contact number is 07041828683, and it will be a red Toyota. Can I assist you further? Sentence4: I'd like to find an Italian restaurant, on the west side. Sentence5: Can I get info to the one in the east please. thank you, Sentence6: Which one is cheap? Sentence7: The address is 15 Magdalene Street, City Centre. The post code is cb30af. Can I assist you further? Sentence8: I'm happy to book you a taxi I need the following information to do so time of travel, name departure site, and name of arrival site. Sentence9: No thank you. Could I get the address and postcode please? Sentence10: I'm going to need a ride to get to and from both places. Sentence11: i also need a place to go which should be in the type of a boat Sentence12: camboats is located in the east or scudamores punting co is in the centre. Sentence13: That is all thank you. Sentence14: Have a nice day, goodbye. Sentence15: OK, what time do you need a taxi? Sentence16: prezzo and la margherita are both Italian restaurants located on the west side. Sentence17: In summary, I am leaving La Margherita restaurant by 03:45 to go to Camboats. Sentence18: La Margherita is in the cheap price range. Would you like me to book that for you? Question: Who has spoken the sentence 9? (A) User (B) System
A:
Answer: (B) System