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

[Q]: Sentence1: Yes, all of the listed entrance fees are 5 pounds. The Club Salsa is nice. Sentence2: Have fun! Goodbye! Sentence3: Club Salsa's address is 1 Station road and their phone number is 07782218745. Sentence4: No thanks. That's it. Sentence5: Location doesn't really matter. Is there an entrance fee? Sentence6: Yes, would you like to find a nightclub in the centre or south part of town? Most of them are in the centre. Sentence7: Club Salsa sounds right up my alley. Can I get the address and phone number please? Sentence8: Can you find information about nightclubs? Sentence9: You're welcome. Can I help you with anything else? Sentence10: Okay, great! Thanks for your help! Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: No, I'm actually looking for something in the north. Is there anything available there please? Sentence2: I've made the reservations for you. The reference number is NFKR3VXL . Sentence3: Hi, few questions. I am looking for a restaurant called the Little Seoul. Also, could you give me the phone numbers, address, and entrance fees for both those places? Sentence4: ok I have a black volvo booked for you Sentence5: Ok, thanks. Can you reserve the restaurant for me for 5 people at 14:30 on Sunday? Sentence6: Can I please get the taxi company's phone number in case I need it? Sentence7: you can reach them on 07704971911 Sentence8: Abbey pool and astroturf pitch is in the east part of town if that would work for you? Sentence9: Sure! Let me get the pool information first. I found one that is an outdoor pool and one that is a learner pool. Which would you prefer? Sentence10: The outdoor pool would be best. For the restaurant I need to reserve it for 5 people at 14:30 on sunday. Please give me the reference number of the reservation. Sentence11: Yes I need a taxi to get from the pool to the restaurant. Sentence12: You are welcome. Can I assist you with anything else? Sentence13: I'm looking to swim today. Is there anywhere I can go? Sentence14: the outdoor pool is called jesus green outdoor pool located at between victoria road and the river cb43px Sentence15: enjoy your time in Cambridge! Sentence16: Thank you so much for your help. Sentence17: Sure, there are two in the north. Would you like their information? Sentence18: Thank you. That was all I needed. Goodbye. Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: No that is all. Thank you for helping me. Sentence2: Yes, I would like a moderately priced Italian restaurant. Sentence3: Can you book reservations for place to eat for me. Sentence4: No preference, what would you suggest? Sentence5: I need to get to Peterborough. Can you find me a train that gets there by 13:30? Sentence6: I would also like to find a museum in town. Sentence7: The postcode for the gallery is cb11ln. Can I help with anything else? Sentence8: There are many choices for restaurants in town. Do you have a specific area, price range, or type of cuisine? Sentence9: Yes, what is the postcode for the broughton house gallery? Sentence10: I will need three tickets please. Sentence11: The train ID is TR1108, and the departure time is 12:34, but to book your ticket I'll need to ask - how many tickets would you like to purchase? Sentence12: Hmm, my restaurant reservation system seems to be down at the moment. Is there anything else I can help you with right now? Sentence13: You are all ready with three tickets. The total fee is 49.5 and you will pay that at the station. Reference number is JPNLH7QF . Sentence14: You are welcome. Thanks for using our service. Have a good day. Goodbye. Sentence15: I will depart from Cambridge on Wednesday. Sentence16: The train closest to your requested time is the TR1108, leaving Cambridge at 12:34, arriving Peterborough at 13:24. Would you like to book a ticket? Sentence17: Please and I would appreciate it if you could give me the train ID, departure time, and booking reference. Sentence18: The broughton house gallery is popular and it is free. It is in the center of town at 98 king street. Do you need more information? Sentence19: There are 23 museum options in town. Can you help me by narrowing down where in town you'd like the museum to be? Sentence20: What day will you travel on ? Question: Who has spoken the sentence 18? (A) User (B) System
[A]:
Answer: (A) User