You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Where is your departure and destination? Sentence2: The train that will arrive closest to 12:30 is TR2058. You will arrive by 11:54. Can I book that for you? Sentence3: I there one that arrives close to the 12:30 time? Sentence4: Happy to be of service, and enjoy your meal! Sentence5: how about galleria? i hear it's lovely Sentence6: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 3G88NRTV . Sentence7: There are 6 trains to choose from. Should I book one of them for you? Sentence8: Can you help me find a moderately placed modern european restaurant? Sentence9: I'll be heading into cambridge from leicester, and I need to get there by 12:30 on thursday. Sentence10: Sounds good, can you book that for 1 person at 18:30 on thursday? Sentence11: The booking was successful, and your reference number is R7U78R0G . The fee is 37.79 GBP, payable at the station. Is there anything else I can assist you with? Sentence12: I also need to get a train. Sentence13: That is everything, thank you so much for your help! Sentence14: Yes, please and provide me with a reference number. Question: Who has spoken the sentence 9? (A) User (B) System
A:
Answer: (B) System