You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Hello, I'd like some information on a train going to london liverpool street that arrives by 16:00 Sentence2: The trip will take 88 minutes. Would you like me to make a reservation? Sentence3: There are several restaurants that serve british food. Would you prefer a restaurant in the centre or the west? Sentence4: I just need it to be moderately priced so I can make a reservation. Sentence5: I'm departing on sunday. Sentence6: No,I am also looking for a place to dine. The restaurant should serve British food and should be in the moderate price range Sentence7: There are multiple trains. Where will you departing from and what day will you be traveling? Sentence8: The TR2141 leaves Cambridge at 13:59 on Sunday and arrives at London Liverpool Street at 15:27. Is that the train you need? Sentence9: Restaurant One Seven is moderately priced. Would you like me to make a reservation? Sentence10: What is the total travel time? Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User