Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Thank you! That is all the information I need. Sentence2: TR9775 arrives by 12:52, would you like more info or tickets? Sentence3: I am looking for information in Cambridge looking for a restaurant in the north Sentence4: How about an expensive venetian place? Sentence5: I would like to take a train from stansted airport to cambridge, on Thursday, with arrival by 13:30. Sentence6: Yes, your reference number is 80SX075C . Is there anything else I can help you with today? Sentence7: I do have one expensive asian oriental restaurant in the north. It is called Saigon City. Can I make you a reservation? Sentence8: We have a range of options in the north. Do you have preferred cuisine or price range? Sentence9: How about something that serves Asian Oriental food? Sentence10: We booked you for Thursday at 16:30, is their anything else I can assist you with? Sentence11: That sounds great. I will need a table for 5. Sentence12: Can you provide me with a reference number, please? Sentence13: What day and time would you like this reservation for? Sentence14: excellent, have a great day! Sentence15: Please give me the departure and travel time. Sentence16: It departs at 12:24 and the duration of the trip is 28 minutes. Sentence17: I'm sorry, I'm not finding any results. Is there another location or price range you'd like to try? Sentence18: 16:30 on Thursday, please. Question: Who has spoken the sentence 9? (A) User (B) System
A:
Answer: (B) System