Given the task definition and input, reply with output. You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: sure theres two hotels, 01223525725 and 01223351241 Sentence2: Yes, which one is the best? Sentence3: We have 5 hotels available that are located in the centre of town. Sentence4: Thank you. Goodbye! Sentence5: No, not at this time. I just needed the information. Thank you and have a nice day. Sentence6: Their phone number is 07782218745 and the post code is cb12jb. What sort of hotel are you looking for and in what area? Sentence7: Are there any outdoor festivals or activities? I'll need the postcode and phone number. Sentence8: There are 79 activities in the town center. How may I help narrow your search? Sentence9: Ok, please give me Club Salsa's postcode and phone number. I also want to find a hotel in the same area. Sentence10: Are there any nightclubs in the centre? Sentence11: What are their names? Sentence12: Club Salsa looks good. Sentence13: What kind of attraction are you interested in? Sentence14: I'm looking for a hotel in the centre of town. Sentence15: I'm looking for a place to go in the centre of town. Sentence16: There are 5 nightclubs in the centre. Would you like a recommendation? Sentence17: They are Alexander Bed and Breakfast and University Arms Hotel. Do you have a preference? Sentence18: Which hotels are rated 4 stars and offer free parking? Can I have a phone number for those hotels? Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System