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

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
Answer: (A) User

Sentence1: Thanks, can I also have the phone number and postcode? Sentence2: I'm sorry this happened to you, I really hope that the police are able to help. If there is anything else I can do for you don't hesitate to ask. Sentence3: Yes, the postcode is CB11JG and the phone number is 01223358966 Sentence4: I've been robbed and need the police. Sentence5: Great, thank you for your help. I don't need anything further. Sentence6: Okay, the police station is located at Parkside, Cambridge. Question: Who has spoken the sentence 5? (A) User (B) System
Answer: (B) System

Sentence1: You're welcome. Have a great day! Sentence2: Certainly, the postcode is cb12as. Is there any other information you need? Sentence3: I'm looking for an expensive restaurant for tonight in the centre of town, can you provide me with a list of my options? Sentence4: That's all that I needed thank you! Sentence5: Kymmoy is located in the centre of town. Sentence6: May I have the postcode to Kymmoy please? Question: Who has spoken the sentence 3? (A) User (B) System

Answer: (B) System