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

[Q]: Sentence1: Yes. I will be staying 5 nights starting Friday. Sentence2: Im also looking for the cow pizza kitchen and bar. Whats the address for it? Sentence3: its address is Corn Exchange Street. what else can i do for you? Sentence4: Oh, expensive please. I do hope it is a guesthouse? Sentence5: You have helped me with everything I need. Thank you. Sentence6: Anytime. Enjoy your visit. Sentence7: I'll be staying for 5 nights. Sentence8: Unfortunately they are both hotels. Sentence9: Booking was successful. Reference number is : GQPN80PK . Is there anything else I can assist you with today? Sentence10: Okay I've got three options here. Would you like a cheap or an expensive price range? Sentence11: Can you help me locate a hotel to stay at that has free parking and a 4 star rating? Sentence12: Oh. I would really prefer a guesthouse. How about the moderate price range? Sentence13: Okay, I recommend The Acorn Guesthouse. Would you like me to book there? Sentence14: NO problem. How long are you staying? Sentence15: The location isn't important. I need to book it for Friday, please. Sentence16: They are moderate, it is a gastropub, in case you need them, the postal is cb23qf and the phone number is 01223308871, can I assist with anything else? Sentence17: I have 9 guesthouses in the moderate price range, do you have a location preference? Sentence18: I need it's price range please Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: No, as long as it has free wifi and parking. Sentence2: Is there a price range or area you prefer? Sentence3: I'm happy to be of service, and I hope you enjoy your stay in Cambridge! Sentence4: There are 9 cheaply priced guesthouses with free parking and Wifi. Is there are certain area of the city you'd like to stay in? Sentence5: I am really looking for italian food. Sentence6: I'm looking for a restaurant in the cheap price range and in the north side of town. Sentence7: It is located in the city centre, anything else? Sentence8: No, just the address, area please. Sentence9: Actually, I apologize for not being more specific, I want to stay in a guesthouse Sentence10: What area is that in Sentence11: We have an Italian and an Indian restaurant that are both inexpensive in the north part of town. Would you like the addresses of those? Sentence12: Yes I am looking for hotel that is cheap have free wifi and free parking. Sentence13: I would recommend the ashley hotel. Sentence14: alexander bed and breakfast address is 56 saint barnabas road in centre. Sentence15: Great! Yes, I'll also need to find a hotel with free parking and free wifi. Sentence16: That is all. Thanks for the help! Bye! Sentence17: Great, thanks for the help! Sentence18: Glad I could help. Do you need assistance with anything else today? Sentence19: Well here is Da Vinci Pizzeria in the north. It's cheap. 20 Milton Road Chesterton. Sentence20: Yes, that would be fine. Can you book a table for 4 at 16:00 on Wednesday? Sentence21: Absolutely. You're booked for 16:00 and the reference number is I3WAD456 . Can I help you with anything else today? Sentence22: Alexander bed and breakfast is in the cheap price range and has both free parking and wifi, would you like a reservation? Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: The same day. Sentence2: Thanks. I am also looking for a restaurant that serves lebanese food in the centre. Do you have any suggestions? Sentence3: No thank you that will be all Sentence4: Yes can you please book that? Sentence5: Well, then I really want to stay with something cheap. How about indian food? Sentence6: I recommend kohinoor, they are indian with a cheap price, would you like more info or a booking? Sentence7: I'm looking for a place called kambar, can you help me? Sentence8: Is the Ali Baba cheap? Sentence9: the address is 74 Mill Road City Centre, and the phone number is 01223323639. Can I get you anything else? Sentence10: Certainly! Their phone number is 01223842725 and postcode is cb23qb. Can I help with anything else? Sentence11: The ali baba is a very nice one. Should I book it for you ? Sentence12: I do not need a bus, have a nice day thanks for the restaurant information. Sentence13: No problem is there anything else I can help you with today? Sentence14: Sure. What day would you like to go? Sentence15: Yes. I need their address and phone number as well. Sentence16: Can I get the postcode and phone number for them please? Sentence17: Sure! It is a nightclub located in the centre of Cambridge. The address is 1 Wheeler Street and admission is 5 pounds. Do you need more information? Sentence18: I'm sorry but I need the travel day to look that up for you? Sentence19: How many people and for what day? Sentence20: thank you for using this service good bye Sentence21: It is in the moderate price range. Would you like a booking? Sentence22: Can you tell me which bus i can take to the restaurant? Question: Who has spoken the sentence 16? (A) User (B) System
[A]:
Answer: (A) User