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

Sentence1: Can I get some information about visiting Great Saint Mary's Church? Sentence2: Thanks. I am also looking for an expensive place to eat in the centre. Sentence3: Booking was successful. The table will be reserved for 15 minutes. Reference number is : XWZ8N8GF . Anything else I can do? Sentence4: Sure, there are plenty of places in the area. Did you have a particular type of cuisine in mind? Sentence5: Sure, is there anything specific you'd like to know? Sentence6: What is the entrance fee for that attraction? Sentence7: This is found in the center of town. Their phone number is 01223350914 and their postcode is cb23pq. Sentence8: Admission to Great Saint Mary's Church is 2 pounds. Sentence9: Definitely, Please book me for 7 people at 14:45 on wednesday. I also would like the reference number. Sentence10: No, just expensive in the centre. Recommend one for me. Sentence11: Thanks! That's all I needed. Sentence12: I'd really like to visit Great Saint Mary's Church. Could you give me some information about it? Sentence13: You should try dining at kymmoy, an asian oriental restaurant located at 52 Mill Road City Centre. Would you be interested in booking a table? Sentence14: You're welcome! Have a wonderful day. Question: Who has spoken the sentence 12? (A) User (B) System
Answer: (A) User

Sentence1: I don't need a ticket just yet. Can you tell me the total cost per ticket, though? Sentence2: I need it to go to cambridge and should depart from leicester. Sentence3: I want to find a hotel to stay at that has free wifi and is moderately priced. Can you help? Sentence4: There are 3 guesthouses that meet your needs. 2 of them have free parking along with the Internet, and one does not. Carolina Bed and Breakfast is very nice. Sentence5: Is there a particular area of town that you prefer? Sentence6: I hope to. Thanks again. Bye. Sentence7: Enjoy your trip. Sentence8: Im getting the info up now, what date and time? Sentence9: I'd like to arrive by 13:45 on sunday. Sentence10: The TR8285 arrives by 12:54. Would you like me to book this one? Sentence11: Have a nice day. Sentence12: Yes, I'd like to be on the east side. The hotel should have a 4 star rating please. Sentence13: Ok, Carolina B&B it is. Can you book me a room for 1 person staying 5 nights on Sunday please? Sentence14: Yes I also need a train. Can you help me? Sentence15: Your booking was successful and your reference number is BCT54NA8 . May I help you with anything else today? Sentence16: That will be all for the day, thank you. Sentence17: All available tickets cost 30.24 pounds each. What else can I do for you? Sentence18: Definitely. When were you wanting to travel? Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User

Sentence1: I also need reservation for food. Sentence2: No, don't worry about it. I already got a reservation earlier. That is all I need. Sentence3: Sure, for 5 people at 13:45 on Friday. Sentence4: Hello, can you tell me about some Asian Oriental restaurants in the centre? Sentence5: I recommend j restaurant. Would you like a reservation? Sentence6: The TR8519 train leaves at 5:35 and arrives at 5:52 Sentence7: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 9Z2BJHO4 Sentence8: Okay, what day are you traveling and what is your destination? Sentence9: make a booking for the same group of people. Sentence10: Would you please recommend one? Sentence11: Booking was successful, the total fee is 22 GBP payable at the station. Reference number is : J71IZZAE . Is there anything else I can assist you with today? Sentence12: I need to get from ely to cambridge, on that same Friday. Sentence13: I am will need a train. Sentence14: Thank you for using our service today. Sentence15: There are several. Would you like a list of all of them, or do you have a preferred price range? Sentence16: Do you know what kinda of food you want. Question: Who has spoken the sentence 6? (A) User (B) System

Answer: (A) User