Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Yes that booking was successful and the reference number is F7EI7E4Y . Sentence2: Where would you like to go? Sentence3: What day would you be traveling. I'd be happy to look that up and book it for you. Sentence4: I would like that to be for Wednesday and I will need tickets for 3 people please. Sentence5: Yes please, for 3 people. I also need to know if the restaurant La Minosa is still open. Sentence6: I'm looking for a train out of cambridge. Sentence7: Thanks so much. Have a great day! Goodbye Sentence8: Can you book the La Mimosa for the same group of 3 people at 11:30 on Wednesday? Sentence9: Okay, the TR6167 leaves at 13:01 and arrives by 14:01. Would you like me to book this one? Sentence10: Booking was successful, the total fee is 53.7 GBP. Reference number is : GKN1SECP . Unfortunately, I don't have the hours of operation for La Mimosa. But their phone number is 01223362525. Sentence11: I am going to broxbourne on and need to arrive by 14:45. Sentence12: If there is anything else, please contact us. Good bye. Question: Who has spoken the sentence 9? (A) User (B) System
A:
Answer: (B) System