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

[Q]: Sentence1: Booking was unsuccessful. Do you have a different time preference? Sentence2: Is it in the expensive price range? Sentence3: Yes book a table, thank you. Sentence4: I was happy to help, enjoy your meal. Sentence5: Sure, try booking that one for the same people, date, and time, please. Sentence6: Can you please give me a day and time that you would like to book a table for? Sentence7: No, that's all I need. Thank you for your assistance! Sentence8: I am looking for Korean food, in the Centre of town. Sentence9: No. How about finding another restaurant in the same area and price range. Sentence10: I've booked your table for 7 people on Monday at 13:45 at Kymmoy. Your reference number is 1MS5BUU6 . Is there anything else I can help you with today? Sentence11: There is one Korean restaurant in the centre, Little Seoul. Would you like the address and phone number? Sentence12: How about Kymmoy? It's an Asian restaurant in Expensive price range, located in Centre area. Sentence13: Yes, it is expensive. Are you interested in booking a table there? Sentence14: 13:45 on monday and a table for 7 please. I will need a reference number too. Question: Who has spoken the sentence 4? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Booked car type : white toyota Contact number : 07264671188 All set. What else can I help with today? Sentence2: looking for places to go in town and be in the South Sentence3: Yes, please book it. Sentence4: Thank you. I'd also like to book a taxi. I need to leave the hotel by 10:15. Sentence5: When will you start your stay? Sentence6: What's the entrance fee? Sentence7: What type of attraction are you looking for? Sentence8: The attraction should be in the south. Sentence9: I think I got everything I need thanks to you! Sentence10: Unfortunately, Nusha has not provided any information on entrance fees. I can seek other options, if you'd like. Sentence11: I need it for Thursday night, for four nights, for 4 people. I'll also need a taxi by 10:15. I need the car type and contact number please. Sentence12: Booking was successful. Reference number is : Y3CFU8WN . Sentence13: There is a hotel called Cityroomz in centre located at Sleeperz Hotel, station road. Would you like me to book it for you? Sentence14: how about nusha? it's located in the south. Sentence15: then find me a particular hotel called cityroomz Sentence16: Well, you are very welcome. I hope you have a great time! Question: Who has spoken the sentence 13? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: We have many trains heading to Cambridge on Monday. What is your point of departure for that day? Sentence2: I have train TR2013 leaving at 5:50 and arriving at 6:07. Would you like to make reservations for that? Sentence3: Sure. What's the postcode? Sentence4: What are the theatres options? Sentence5: In the centre, we have more than 40 attractions. Everything from museums, colleges, nightclubs, boating, theatres, etc. Is there something you have in mind? Sentence6: I want to go to ely and arrive by 11:15. Sentence7: Yes please. Make a booking for 6 people and send me the reference number Sentence8: I'm sorry for the confusion, just to verify-are you departing from Cambridge with Ely as your destination? Sentence9: There are four theatre options all in the centre. Would you like to try the Mumford Theatre? Sentence10: You are booked and ready to go. Your reference number is 9QJPHZUT . Is there anything else I can help you with? Sentence11: I need a train to cambridge on monday. Sentence12: your very welcome! Sentence13: Yes I need a place to go in the centre. Sentence14: No, sorry, I am traveling to Cambridge from Ely. Sentence15: Thank you for your help. Have a great day. Sentence16: postcode is cb11pt. Question: Who has spoken the sentence 1? (A) User (B) System
[A]:
Answer: (B) System