You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Ok, could you also give me the phone number and postcode for that? Sentence2: Yes that sounds lovely. Do any of those listed charge an entrance fee? Sentence3: Yes please make a booking for 7 people Sentence4: Great Saint Mary's Church charges a fee of 2 pounds, but it is the only church with a fee listed. Sentence5: I'm also looking for a train that leaves from Cambridge after 20:15 on Sunday going to Peterborough. Sentence6: I'm looking for an attraction in the center of town. Sentence7: The phone number is 01223350914 and postcode is cb23pq Sentence8: TR6958 leaves cambridge at 20:34. Would you like to book this train? Sentence9: Great thank you that should be all Sentence10: There are many churches in the center of town. Would any of those interest you? Sentence11: Fine. Your fee is 92.4 GBP payable at the station and your reference number is T6LUYKFN . Sentence12: You're welcome! Have a great day! Question: Who has spoken the sentence 11? (A) User (B) System
Output:
Answer: (B) System