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

Sentence1: I would prefer one of the expensive places. Need to impress my guests, you know? Sentence2: I see one moderately priced Indian restaurant in that area, and several expensive ones. Do you have a preference? Sentence3: Actually, I would like to book the hotel for 6 people for 4 nights starting on Sunday. Sentence4: I want an expensive place to stay in the west side. Sentence5: Okay, the phone number is 01480446000 for your convenience. Is there anything else I can help you with? Sentence6: There are three expensive Indian Restaurants in that area. Can I recommend Tandoori Palace? Sentence7: Thank you, you have a good day! Sentence8: I don't really need internet, but that sounds like everything else I want. Yes, I'd like you to book it. Sentence9: Yes, is 3 nights possible? Could I also please have a reference number? Sentence10: I was not able to reserve a table for you at that time. Is there a different day or time slot that you would like? Sentence11: Booking was not possible. Would you like to try a shorter stay, fewer rooms, or another day? Sentence12: Great! I have a table for 6 people at 11:30 onSundar at Tandoori Palace, Reference Number 3BMGPAN3 . Is there anything else I can do for you? Sentence13: I will hold off on the booking today I think I have all I need Sentence14: No thank you, that is all I needed! Sentence15: Thank you. I would like to make reservations for my party to have dinner one night near the hotel. We would like to go to a restaurant that serves Indian food, if possible. Sentence16: Great, the booking was successful. Your reference number is HJHE475H . Is there anything else I can help you with? Sentence17: OK, what is your arrival date, number of nights, and number of people in your party? Sentence18: Yes, that sounds good. Please book it for the same 6 people at 12:30 on Sunday. Sentence19: The Huntingdon Marriott Hotel is an expensive, 4-star hotel in the west that offers free internet and parking. Would you like me to book this for you? Sentence20: Yes, how about 11:30 instead? Please send reference number for the booking. Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System

Sentence1: The area doesn't matter. I would like free wifi though, if possible. Sentence2: Not really, how about 4 star? Sentence3: Do they also have free parking? Sentence4: I have many options. Do you have a preference for the area you would like to stay in. Sentence5: There are several moderate 4-star places to stay throughout town, but they are all guesthouses. Would a guesthouse work for you? Sentence6: acorn guest house does have free parking,would you like that one? Sentence7: Dojo Noodle Bar is a nice cn I book you a table ? Sentence8: I'm looking for a moderately priced, 1-star place to stay. Sentence9: No, I don't need a hotel booking at this time. I'd like to find a place to dine on Sunday. Sentence10: Unfortunately we do not have any moderately priced 1 star hotels in Cambridge. I'm sorry! Cityroomz has 0 stars in the centre, does that work? Sentence11: Would you like me to reserve the acorn guest house for you? Sentence12: Yes. I also need to find a place to dine that is in the center and the same price range as the hotel. Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System

Sentence1: I would need it for 3 people for 17:30 on monday. Sentence2: what day and how many people? Sentence3: Okay, I've booked 3 tickets for you on TR8387. It will cost 29.4 GBP. Your reference number is VF2TRXD0 . Can I do anything else for you today? Sentence4: No, that sounds about right. Thanks. Sentence5: This is perfect. Please book for 3 people and give me the reference number. Sentence6: i want to reserve a table at Restaurant Alimentum Sentence7: I do not care. Just something in the south, moderate range in price. Sentence8: Enjoy your visit. Sentence9: I have booked that for you and your reference number is 7HRLWXYB . Is there anything else I can help with? Sentence10: Absolutely! What type of food are you looking for? Sentence11: I would suggest train TR8387 that leaves at 21:11 with arrival at 21:58. Would you like me to book this one or do you need a different arrival time? Sentence12: Thanks! I need to travel to Kings Lynn from Cambridge for 3 people. I need to travel Tuesday night, sometime after 20:00. I need a reference number please. Sentence13: There are two options that match what you're looking for. Pizza Hut Cherry Hinton and Restaurant Alimentum, which is modern European cuisine. Does either sound good? Sentence14: Hello, can you help me find a restaurant for my upcoming trip to Cambridge? Question: Who has spoken the sentence 10? (A) User (B) System

Answer: (A) User