You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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Question: Sentence1: You're welcome. Can I help you with anything else? Sentence2: That is all. Thanks Sentence3: The post code is CB11JG. Sentence4: Thank you, what's the post code? Sentence5: Thank you for your help Sentence6: Cambridge, parkside police telephone number 01223358966. Sentence7: I need to get to the nearest police station, can you assist me? Sentence8: Okay. Have a good day and thanks for using our system. Question: Who has spoken the sentence 4? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: I can definitely help you out with that. Is there a certain area of town you'd like to stay in? Sentence2: I have booked your stay at the Alexander Bed and Breakfast for Friday for 3 days for 6 people. Your reference number is DJF36WMD . Is there anything else I can help you with today. Sentence3: The train ID is TR9629, leaving at 18:09 and arriving by 19:54. Can you tell me how many tickets you would like to purchase? Sentence4: I'd like one ticket please. Sentence5: I will need to take a train from Leicester on the same day as my hotel booking. Sentence6: I am looking for a cheap hotel with free parking. Sentence7: All trips from leicester cost 37.8 pounds and take 105 minutes. Is there a specific time you would like to depart or arrive by? Sentence8: Alexander bed and breakfast is a guesthouse in town centre in the cheap price range. It has both free parking and wifi. Would you like to book a room? Sentence9: We will be arriving on Friday and staying 3 nights. Sentence10: I will need to know how many nights and what day you will be starting your stay before we finish the booking. Sentence11: I do not. I just need the train ID and what arrival time it has. Sentence12: Alright I've booked you one ticket, the total will be 37.79 and your reference number is PGY0G1J2 . How else can I help you? Sentence13: Sure, you need a taxi to Alexander Bed and Breakfast from where, and do you have an arrival time request? Sentence14: Can you please schedule a taxi to take me from the station to my hotel? Sentence15: Thank you for your help. Sentence16: I need to leave after 17:45 heading for Cambridge. Go ahead and book the closest time and give me the train ID and arrival time. Sentence17: The train arrives by 19:54 and TR9629 is the train id. Sentence18: Is there anything else I can help you with? Possibly entertainment or places to visit on your trip? Sentence19: I would prefer to be in the centre of town, and I need the hotel to include free parking. Sentence20: Yes, please. That sounds perfect. There will be six of us. Question: Who has spoken the sentence 12? (A) User (B) System

Answer: Answer: (A) User

Question: Sentence1: I apologize, I was able to find your requested Autumn House. It's a 4 star, guesthouse. Would you like to book it? Which days, people, etc? Sentence2: Little Saint Mary's Church. You'll have to go to Little Saint Mary's Lane. The postcode is cb21qy and the phone number is 01223366202. Sentence3: I hope you have a good trip. Have a great day. Sentence4: Thank you. Can you tell me some information for a place called the Autumn House. I am not sure if its a hotel or guest house. Sentence5: Can you tell me about an attraction found in the centre? Sentence6: There are 44 attractions. What type would you like? Sentence7: Are you sure autumn house is no longer there? Sentence8: No problem, Can I help with anything else? Sentence9: just any. give me one option with its phone number,postcode and address. Sentence10: Sorry, I found it! It's a guesthouse. Would you like for me to book you a room there? Sentence11: there is no hotel in our records that goes by that name Sentence12: No, thanks. I was just looking for the star rating, which you've already given me. Sentence13: I just needs the taxi to the hotel, I need to leave the attraction by 05:45. (I'm doing a volunteer overnight security shift there for the experience) Sentence14: How many stars is it? Sentence15: Sounds like a great experience. A black volvo will pick you up at the church and drop you at the hotel. You can reach the driver at 07118076381 Sentence16: Great, that is all I needed. Thank you Question: Who has spoken the sentence 8? (A) User (B) System

Answer:
Answer: (A) User