Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Yes please, just me starting on the day of my restaurant visit. Sentence2: Do you have a cheap restaurant that serves indian food. In the mood for curry. Sentence3: How many in your party? Sentence4: Just me. I'd like to eat at 16:45. Sentence5: I needed that for 4 nights, did you get that for me? Also I'd like a reference number. Sentence6: I would like one in the centre of town that is in the cheap price range. Sentence7: I'd be happy to check on that for you. In fact, I have 4 different restaurants. Three are in the centre of town and I have one in the north. Sentence8: I have a table for you at 15:45. Your reference number is BVDPM13V . Sentence9: Is there anything else I can help you with today? Sentence10: Great, can you book me a table for Wednesday? Sentence11: Try kohinoor they are located at 74 Mill Road City Centre. Sentence12: Not at this time, thank you! Sentence13: Thank you for all of your help. Sentence14: Alright, I got that booked for you. Four nights at Alexander Bed and Breakfast starting Wednesday. Your reference number is BOL6JBIT . Sentence15: I'm sorry, that isn't available? Could you perhaps try a different time or day? Sentence16: It was a pleasure helping you today. Remember to contact us anytime if you need more assistance. Sentence17: I found two that fit your criteria, would you like me to book for you? Sentence18: Could you also help me find a guesthouse in the same area as the restaurant and in the same price range. I would like free WIFI. Sentence19: I booked you at the alexander bed and breakfast Sentence20: Okay, let's try 15:45 instead? Question: Who has spoken the sentence 9? (A) User (B) System
A:
Answer: (B) System