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

[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: There's a Parkside Police Station in town, right? Sentence2: Thanks! Also, can you give me the exact address to the station? Sentence3: The only address listed is Parkside, Cambridge. It does not give an exact address, I'm sorry to say. Sentence4: I will also need the postcode please. Sentence5: No, that's all thank you Sentence6: Sure, the postcode is CB11JG. Sentence7: Yeah, sorry for the inconvenience. Can I do anything else for you though? Sentence8: Yes, it is located at Parkside, Cambridge. Sentence9: Wow. That is very odd. Sentence10: Thanks. I need the phone number and postcode too. Sentence11: Sure thing. They are located in Parkside, Cambridge and the phone number is 01223358966. Sentence12: You're welcome, have a great day Question: Who has spoken the sentence 9? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Yes. da vinci pizzeria restaurant in the north part of town and in the cheap price range. Would you like more information for them? Sentence2: You're welcome. Goodbye. Sentence3: Here is the information you have requested. phone number is 01223 351707, and address is 20 Milton Road Chesterton. Will that be all? Sentence4: Are there any Italian restaurants in that part of town? Sentence5: Yes, the address and phone number please. Sentence6: I want to find a restaurant in the north part of town and serves international food. Sentence7: I'm sorry, there are no international restaurants listed in that area. Would you like to try something else? Sentence8: thank you . good bye Question: Who has spoken the sentence 4? (A) User (B) System
[A]:
Answer: (A) User