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

Example input: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Example output: Answer: (A) User
Example explanation: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system
Q: Sentence1: It is in the center of town. What else would you like to know? Sentence2: Perfect. Your total fee is 10.1 GBP payable at the station . Reference number is : 9C24B086 . Sentence3: Can you tell me about Christ's College? Sentence4: I sure do! It's 01223334900. Can I help you with any other information searches today? Sentence5: I need to leave on Friday some time after 21:30. Sentence6: There is a train that leaves at 23:29, TR3547. Would you like me to confirm the reservation for you? Sentence7: Yes, that would be great. Sentence8: Do you happen to have the telephone number for Christ's College? Sentence9: I also need a train leaving from bishops stortford to cambridge. Sentence10: Wonderful. Have a great day. Sentence11: What time do you wish to leave? Sentence12: Thank you very much, I've got what I need. Question: Who has spoken the sentence 7? (A) User (B) System
A:
Answer: (B) System