Q: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Sentence1: Alright, I have your restaurant booking. Your reference number is: DHDB0H4V . What are you looking for in a hotel, so I can narrow down the choices? Sentence2: I'd like it to be in Centre. Sentence3: We will be dining at 16:30. Please book a table for 3 on Saturday and provide the reference number. I also need a hotel in the same area. Sentence4: I've got two expensive hotels in the area. Both have internet and parking. university arms hotel has 4 stars. Does that meet your needs? Sentence5: Would you like me to book you a room? If so, i will need how many people and nights you will be staying and on what day. Sentence6: I also need a taxi between the hotel and the restaurant. Sentence7: Can you make me a reservation for Saturday please for 3 people? Sentence8: I will look a taxi up for you. Sentence9: Yes, that should be perfect thank you. Sentence10: What time would you like to dine on Saturday? Sentence11: Can I have the postcode and hotel type, please? Sentence12: it is the type of a hotel. its post code is cb21ad. anything else? Sentence13: The booking was successful I have a reference number and the hotel number for you. Sentence14: A grey toyota will be waiting to pick you up, if you have any further questions the contact number is 07137847685. Sentence15: No, that will be all. Thank you! Sentence16: I would suggest midsummer house restaurant it has great food. Sentence17: Anytime, were here to help. Have a good day! Sentence18: Thanks for all the help. Sentence19: Thanks so much! Sentence20: Can you assist me in finding me an Expensive Restaurant in Cambridge where I can dine? The restaurant should be serving British foods. Sentence21: sure, i have 6 options for you Sentence22: Thank you very much! Can you please make sure that it arrives at the restaurant by the time of my reservation? Sentence23: Thanks for using our service, good day! Sentence24: Can I help you with anything else today? Sentence25: Something in the same area as the restaurant. It should also be in that same price range. Sentence26: I would like a room for three people, just for Saturday night. Question: Who has spoken the sentence 9? (A) User (B) System
A:
Answer: (B) System