Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Ballare is a nightclub located on heidelberg gardens, lion yard, cb23na. The entrance fee is 5 pounds. Is there anything else I can help you with? Sentence2: Thank you that's all I needed today. Sentence3: Actually, could you book a table for 6 people on Wednesday? Sentence4: No thank you, I don't need the address. I would also like to find a place to eat on the east side that serves British food. Sentence5: My pleasure. Enjoy your stay. Sentence6: For what time? Sentence7: I would like to book for 11:15. Sentence8: I have booked this for Wednesday for 6 people at 11:15. They will hold your table for up to 15 minutes. The reference number is: CGM6GIAJ Sentence9: The phone number for ballare is 01223364222, and the entrance fee is 5 pounds. Do you also need the address? Sentence10: I have one such restaurant and it is called the Grafton Hotel Restaurant and is in the expensive price range. Would you like their address? Sentence11: Can you tell me more about a particular attraction called the ballare? Sentence12: What is their phone number? Question: Who has spoken the sentence 7? (A) User (B) System
A:
Answer: (B) System