Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: I will also need a taxi to get to the boat from the restaurant. Sentence2: Not at this time. Can I have the address, phone number, and postcode? Sentence3: I need to arrive by 14:15 Sentence4: Yeah I'd like to go somewhere in town, like a boat or something. Sentence5: When would you like to arrive by? Sentence6: I can recommend the hotpot. Would you like help making a reservation? Sentence7: If you are interested in boating, I have 4 different venues available. I have some in the north, east and centre of town. Which do you prefer? Sentence8: I was able to book you a black volkswagen, phone number is 07123207292 Sentence9: Thank you for using our system! Sentence10: The Riverboat Georgina may interest you then it is located at Cambridge Passenger Cruisers, Jubilee House in the North with a phone number of 01223902091. Can I help you more? Sentence11: I am looking for a place to dine! I would prefer chinese food located in the north. Sentence12: Thank you, that's all I need today. Sentence13: There are 3 Chinese restaurants in the north. One is in the moderate price range and two are in the expensive price range. Do you have a preference? Sentence14: I would like one in the expensive range please Sentence15: The address is 66 Chesterton Road Chesterton, the post code is cb41ep and the phone number is 01223366552. Is there anything else I can help you with? Sentence16: How about one in the north? Question: Who has spoken the sentence 9? (A) User (B) System
Output:
Answer: (B) System