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

Sentence1: I am having difficulty booking either of the. Can you find another day or time that would suit you? Sentence2: Absolutely. Can I suggest the Warkworth House at a moderate price range, or the Autumn House at a cheap price range. Do either of these interest you? Sentence3: OK, you're all booked for 3 nights at the Warkworth House, starting Thursday. Your reference number is AC1NVW47 . Can I help with anything else today? Sentence4: I would consider both. I need to book for three people and 5 nights starting on Thursday. Can either of them offer that? Sentence5: There are 6 possible places that fit your request. Would you like more information or to add additional search preferences? Sentence6: Good Afternoon, I am looking for a place to stay on the east side in a guest house Sentence7: Can you see if any of them offer free parking? Sentence8: You're welcome. Goodbye! Sentence9: I really need to stay during that time frame. Would you mind checking again? Sentence10: No, that will be all. Thanks! Sentence11: Honestly, any price range will do. Can you suggest one for me and help me with booking a room? Sentence12: 5 of the guesthouses offer parking. What is your price range preference? Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System

Sentence1: Nothing in particular. Any recommendations? Sentence2: Yes, please coming in on monday for 5 nights for 3 people. Sentence3: We have amazing various of attractions in the centre area! What type of attraction are you looking for? Sentence4: I booked it for you. Your reference number is as follows: 5MM5C3UC . Is there anything else I can assist you with today? Sentence5: Any area is fine are there any with a 3 star rating? I don't need free parking or internet. Sentence6: Let me suggest the Museum of Archaeology and Anthropology. Their admission is free and the phone number is 01223333516. Sentence7: Would you like me to book it for you? Sentence8: Happy to help! Have a good trip! Sentence9: I have many moderate priced hotels available. What part of town would you prefer? Sentence10: alpha-milton guest house is in the north. Would you like me to book you a room? Sentence11: Can you book it for me and get a reference number ? Sentence12: i need a good place to go in the centre Sentence13: That will be all, thanks! Sentence14: I also need a moderate priced place to stay. Question: Who has spoken the sentence 7? (A) User (B) System
Answer: (B) System

Sentence1: Absolutely, the address for the Funky Fun House is 8 Mercers Row located in the Mercers Row Industrial Estate. Sentence2: Great, thank you. Can you also help me find a place to stay? I'd like an expensive hotel with free parking. Sentence3: I am looking for a particular attraction called the Funky Fun House. Can you get me directions? Sentence4: Can you tell me what the entrance fee is? May i also have their postcode please? Sentence5: Could you book it for 3 people and for 3 nights starting on sunday? Sentence6: Thank you! I'm all set. Goodbye! Sentence7: Okay, the booking was successful. Your reference number is : 3EJ2CUS3 . Sentence8: The Funky Fun House is in the east past of town. Is there anything else I can help you with? Sentence9: You're welcome. Enjoy your visit! Sentence10: Express by Holiday Inn Cambridge is an expensive hotel in the east end. Would you like me to book it for you? Sentence11: What area of town is that in? Sentence12: I would like a hotel in the expensive price range. Sentence13: I'm sorry, there's no entrance fee information listed for that attraction. The postcode is cb58hy. Sentence14: Sure, there are 5 hotels. How many stars should the hotel have? Question: Who has spoken the sentence 10? (A) User (B) System
Answer: (A) User