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

[Q]: Sentence1: How about Caffe Uno, they are in the centre area. Their address is 32 Bridge Street City Centre and their phone number is 01223 448620. Sentence2: Perfect, thank you! Sentence3: I'm sorry, but I cannot find any expensive Lebanese restaurants. Sentence4: Thank you. Good bye Sentence5: Hello, I am looking for an expensive restaurant that serves Lebanese food. Sentence6: Can I get the address, phone number, and area of an Italian restaurant? Question: Who has spoken the sentence 5? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Thank you very much for your help. Sentence2: How about a 2 star rating in the moderate price? Sentence3: Great. Is there anything else I can help you with today? Sentence4: You have a room at the Ashley, reference number 1IIKBZBL . Sentence5: How about some restaurant suggestions within walking distance of the hotel. Any indian cuisine or african cuisine that's expensive? Sentence6: Sweet! Can I also get some information on hotels? Sentence7: Sorry about that, I can look for a restaurant later. That's actually all I need today, thank you! Sentence8: I show 79 of them, is there a certain area of town you prefer? Sentence9: how about broughton house gallery? Sentence10: Of course, ashley hotel and lovell lodge both meet that criteria. Would you like to book with one of them? Sentence11: Ok great! Thank you for reaching out to Cambridge TownInfo centre, I hope you enjoy your stay! Goodbye! Sentence12: Does it have free wife and parking? Sentence13: Surprise me! I'd like the address, fee and postcode. Sentence14: Sure. I have 33 hotels in my database. Can you please provide me with the area, price range, and features you are looking for? Sentence15: Either one is fine, I need to book for 1 starting sunday, 4 nights. Sentence16: the broughton house gallery is located on 98 king street, is free to enter, and the post code is cb11ln. Sentence17: I am looking for places to go. Can you tell me about some museums? Sentence18: No, it doesn't. Sorry about that. Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Can you please tell me your departure and destination locations? Sentence2: Have a great day. Goodbye. Sentence3: its address is anglia ruskin university, east road and it has a free entry Sentence4: I am planning a trip in Cambridge Sentence5: Yes, Can you please tell me the travel time? Sentence6: Thanks! I'm also looking for a train leaving on wednesday and arrive at 12:00 Sentence7: Thank you for contacting the Cambridge TownInfo centre. Goodbye. Sentence8: That is all I need today. thank you. Sentence9: what is their postcode and phone number? Sentence10: you are very welcome Sentence11: I will leaving Norwich and going to Cambridge. Sentence12: Their postcode is cb11pt and phone number is 0124549131 Sentence13: The TR1180 will leave Norwich for Cambridge Wednesday at 09:16 and arrive at 10:35. The cost of the train is 17.60 lbs. Would you like me to book it? Sentence14: No, but I do need some information on the Ruskin Gallery. Sentence15: Thank you. Will the train provide any snacks or a meal? Sentence16: Thank you so much! Sentence17: you are so welcome Sentence18: the trip is 79 minutes long Sentence19: Excellent! Do you need assistance with transportation arrangements? Sentence20: I am sorry but we are not given that information in our systems, you will have to ask when you arrive. Question: Who has spoken the sentence 15? (A) User (B) System
[A]:
Answer: (B) System