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

[Q]: Sentence1: Actually, I'm all set. Thank you! Bye! Sentence2: OK, great. will it be the same two people as on the train and starting on Monday? or do you have different needs for lodging? Sentence3: What is the price for that trip? Sentence4: Could you clarify if you need the reservation for 1 or 2 people please? Sentence5: Certainly, where will you be departing from? Sentence6: It look like the TR0532 is what you are looking for departing Bishops Stortford at 7:29 and arriving in Cambridge at 8:07. Would you like to book? Sentence7: The postcode for Worth House is cb41da and yes, it has internet! Sentence8: I would prefer the hotel be in the north part of town. Sentence9: I don't need to book today, thanks. Can you get me the postcode of one of them? Oh, and please make sure the one you choose has internet! Sentence10: Okay you sure you will not require a booking? Sentence11: I need a cheap hotel with free parking. Sentence12: The fare is 10.10 GBP per ticket. Sentence13: Okay let me see if I can book that for you. Sentence14: I need reservations for 2. Sentence15: Hi I am looking for a train to arrive in Cambridge by 08:15. Sentence16: Nope, same people. Sentence17: I've booked your tickets for the 7:29 train from Bishops Stortford, reference ZHT6R80S . Can you give me more information about the type of hotel you'd like? Sentence18: 1 person 5 nights please Sentence19: There are 10 total hotels, do you have a preference for area? Sentence20: I'd be happy to book that for you, what day will you be arriving on, and for how many nights? Sentence21: I'll be leaving from Bishops Stortford on Monday. Sentence22: I will go ahead an book at the Worth House. Sentence23: City centre north b and b and Worth house are both guesthouses and located in the north. Would you like me to book one for you? Sentence24: I need to make a booking for 2 people and can you find me a place to stay in the north? Question: Who has spoken the sentence 17? (A) User (B) System
[A]: Answer: (B) System


[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: Yes. I'd also like to go to a museum in the same area. Sentence2: The phone number for byard art is 01223464646. Is that all you needed help with? Sentence3: For the museum the admission is free of charge, so you do not have to have a ticket. Is there anything else I can help with? Sentence4: Great, enjoy the trip! Sentence5: Yes, can I purchase the tickets now or do I need to buy them at the door? Sentence6: Byard Art is in the south. They're at 14 King's Parade. Would that suit you? Sentence7: I can recommend Nandos, a cheap portuguese place in the south. I can help you book a table if you'd like. Sentence8: Yeah, that should be all, thank you. Sentence9: Great I was able to get that booked for you. Reservation # is ID2VGNB7 . Is there anything else? Sentence10: Yes please. A table for 2 at 15:30 on Thursday would be great. Sentence11: Can I please get a phone number? Sentence12: Hi, I'm looking for a Portuguese restaurant in the south of Cambridge. Question: Who has spoken the sentence 3? (A) User (B) System
[A]:
Answer: (B) System