You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Okay, the phone is 01223304050 and postcode is cb12tz Sentence2: No, would you be able to look into another hotel for me? Do you have any hotels that have 0 stars and are in the moderate cost range? Sentence3: We have a three star and a four-star hotel. Did you have a preference? Sentence4: Great! I can help you with that. We have boats located in the east, north, and centre area. Which area you prefer? Sentence5: Okay, that's all I need. Thanks, bye Sentence6: i will be in Cambridge and i am looking for a boat Sentence7: I found a hotel that fits your need. Would you like for me to book a room? Sentence8: Thanks for the info! I also need a place to stay in the centre of town. I'm looking for something in the expensive price range. Sentence9: No thank you. I would just like the number and postcode for Cityroomz. Sentence10: Have a wonderful time. Sentence11: Okay, the Riverboat Georgina is located in the north on cambridge passenger cruisers, jubilee house. Post code is cb43ax and phone number is 01223902091. Sentence12: I do not care it should be in the centre and should be in the expensive price range. Sentence13: I have found 1 hotel that meets your needs. It is Cityroomz. Would you like me to book it for you? Sentence14: How about in the north? Question: Who has spoken the sentence 9? (A) User (B) System
A:
Answer: (B) System