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

Sentence1: Okay. Riverboat Georgina is a boating attraction in the north. How about that? Sentence2: I don't have a preference. I just need it in the same area. Sentence3: What star rating do you prefer? Sentence4: Booking was successful! Your reference number is 8GLX5O9J . Is there anything else I can do for you? Sentence5: Yes please, I need 2 nights for 8 people and we will be arriving on Tuesday. Sentence6: Looking for a hotel that is in the north part of town. Sentence7: I recommend the Alpha-Milton Guest House on 63 milton road. Would you like me to go ahead and book you a room? Sentence8: The hotel should be in the north and doesn't need to include internet.and should be in the moderate price range Sentence9: Can you help me find an attraction to visit that is in the same area as my hotel? Sentence10: Absolutely, their phone number is 01223902091. Sentence11: Sure, there are four attractions in the north. Do you prefer boat, park, or swimmingpool? Sentence12: Thanks. That's all I needed for today. Sentence13: That sounds great, could I get their phone number please? Sentence14: Okay, have a wonderful visit! Question: Who has spoken the sentence 1? (A) User (B) System
Answer: (B) System

Sentence1: No, I'm not picky. Sentence2: I need a hotel with FREE parking Sentence3: The acorn house is moderately priced, 4 stars, and in the north. Sentence4: What is your arrival date and how many days will you be staying, please? Sentence5: I am looking for a place to stay. The hotel should have a star of 4 and should be in the type of guesthouse Sentence6: Thank you goodbye Sentence7: Okay. What part of town do you want to stay in? Sentence8: How about acorn house? They have excellent reviews. Sentence9: I'm sorry I don't need a reservation. Could you just confirm the price range, postcode and what area that is in? Sentence10: Thanks so much. I won't be needing anything further today. Sentence11: You read my mind. Yes, free parking. Sentence12: Do you have a specific pricerange you are looking for? Sentence13: Any part of town as long as it includes free parking. Sentence14: Yes, if Acorn House has free parking, please book my reservation. Question: Who has spoken the sentence 13? (A) User (B) System
Answer: (B) System

Sentence1: I want to leave the park by 10:15. Sentence2: Could I get a postcode and a phone number? Sentence3: What will be your departure site? Sentence4: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence5: That's all I need now. Thanks. Sentence6: Great! You might like Milton Country Park in the north. It has free entrance. Would you like more information? Sentence7: I want a nice park to visit while i'm in town. Sentence8: Just to clarify, would you like to arrive at milton country park by 10:15 or leave the park by 10:15? Sentence9: Their address is milton country park, milton, postcode cb46az. Can I help you with anything else? Sentence10: Great, they are located at G4 Cambridge Leisure Park Clifton Way Cherry Hinton. Would you like me to reserve a table for you? Sentence11: Of course. Would you prefer Italian at Pizza Hut Cherry Hinton or Restaurant Alimentum that serves modern european? Sentence12: Thank you. I also need your help finding a moderately-priced place to eat in the south part of town. Sentence13: Thank you, I have booked you a grey ford taxi, the contact number is 07348401469. Is there anything else I can help you with? Sentence14: Can I get their address please? Sentence15: I want Italian, so let's go with Pizza Hut Cherry Hinton. Sentence16: Thanks! I also need a taxi to get to the attraction by 10:15. Can you help? Sentence17: The postcode is cb17dy and the phone number is 01223323737. Sentence18: I'd like to leave Milton Country Park by 10:15 and go to Pizza Hut Cherry Hinton. Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User