Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: I am departing from Ely. Sentence2: Di you find me a train? Sentence3: Let's try the graffiti. I need their phone number, address, and the post code please. Sentence4: Hello, I am looking for info on a restaurant in the west that serves french food. Sentence5: What day would you like to travel and do you have a specific departure time in mind? Sentence6: I TR0212 the total fee is 4.4 GBP payable at the station and the reference number is : RWIT4QLJ . Sentence7: There are no French restaurants in the west. Would you like to try a different part of town or a different type of food? Sentence8: The train should leave on friday and departure time doesn't matter as long as it arrives by 13:15. Sentence9: Thanks. I also need a train ticket. The train needs to arrive by 13:15 and go to cambridge please. Sentence10: Where will you be departing from? Sentence11: consider it done, Sentence12: What about an expensive place that serves British food? Sentence13: The phone number is 01223277977. The address is Hotel Felix Whitehouse Lane Huntingdon road postcode cb30lx. Sentence14: Yes, that's right. Sentence15: I have two that meets that criteria. I would like to recommend the graffiti it is in the west side and serves british food. Sentence16: There are no expensive french restaurants in the west? Question: Who has spoken the sentence 9? (A) User (B) System
A:
Answer: (B) System