You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: Yes, how about a museum in the centre? Sentence2: What is their address? Sentence3: I want a cheap restaurant that serves polynesian food. Sentence4: How about italian? Sentence5: I need it to arrive at the restaurant by the booked time. Sentence6: You are booked and your reservation number is Q7YR4YLN Sentence7: Looking now La Raza has a few openings, how many people? Do you have a date and time in mind? Sentence8: The castle galleries is a free museum in that area. Sentence9: I am afraid I have none matching your request. Would you like to try another type of food or area? Sentence10: Hi, I'm looking for entertainment attractions that are available in the centre. Sentence11: Can you help me get a taxi? Sentence12: There are no entertainment attraction located in the centre. Would you like me to check different areas? Sentence13: Of course. I need the time of travel, departure location and the destination. Sentence14: great, i have 69 options for you in that area! Sentence15: The la raza serves spanish food. Its cheap and in the centre. Would you like me to book you a table there? Sentence16: Your taxi is a blue skoda under the contact number 07244814493. Is there anything else? Sentence17: Can you try spanish food instead? Sentence18: You're welcome, glad I could help. Sentence19: Yes! Please do. Sentence20: I'd like it for Saturday at 17:45, just one person. Sentence21: That is all thanks. Sentence22: I am also looking for a restaurant in the same area as the attraction. Sentence23: There's nothing that serves spanish food in the cheap price range in the centre of town? Sentence24: unit su43, grande arcade, saint andrews street anything else i can help you with? Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System

Sentence1: Yes, that sounds great! Can I get it for 8 people for 3 nights please, we'll be arriving Tuesday. Sentence2: Great. Are there any trains that go directly from Cambridge to Norwich? Sentence3: Thank you for using our service. Have a good day. Goodbye. Sentence4: Yes, there are several. The trip time is 79 minutes and the cost is generally 17.60 pounds. Can I tell you anything else? Sentence5: I am looking for a guesthouse please. Sentence6: Would you like to try the Alpha-Milton Guest House located in the North? Sentence7: No, that's everything I needed. Sentence8: Any area as fine, as long as it has 3-star accommodations. Sentence9: How about for 2 days? If it's available will you please book and provide a reference number? Sentence10: I'm sorry, the hotel is unable to accommodate your party. Can you arrive on a different day or stay for a different number of days? Sentence11: In what area would you like it to be? Sentence12: I have successfully booked it for 2 days, and your reference number is OUKN0U42 . Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User

Sentence1: Have a great time. Sentence2: University Arms Hotel sounds just great. Please get me a booking for 8 people staying for 4 nights starting from Friday. Sentence3: Do they have free wifi and a 4 star rating? Sentence4: I was able to book your rooms at University Arms Hotel for Friday. Your reference number is 8IITDH5T . Is there anything else I can do for you? Sentence5: Okay, Downing College is on regent street. The post code is CB21dq. It's free. Sentence6: Can you help me find a guesthouse? Something nice. And somewhere upscale on the price, too. My parents are paying for the whole trip and they're loaded. Sentence7: How about the express by holiday inn cambridge in the east side of town? Sentence8: No, please pick one. Provide me with the address, post code and entrance fee. Sentence9: There are a few colleges in the centre. Do you know the name of the college or do you prefer free entrance fees? Sentence10: In the centre please. Can I get their address, phone number, and entrance fee? Sentence11: Does it have free wifi? Sentence12: Sure we have 18, do you have an area preference? Sentence13: I am going off to college soon and want to visit a campus. Can you help me find one? Sentence14: Unfortunately, the colleges in town do not offer free wifi. They do offer free entrance though. Sentence15: They have free WiFi but their rating is 2. I think University Arms hotel will suit you better in that case. Sentence16: No, that's it; thank you for your help. Question: Who has spoken the sentence 13? (A) User (B) System

Answer: (B) System