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

[EX 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
[EX A]: Answer: (A) User

[EX Q]: Sentence1: I'm leaving from Cambridge and going to Birmingham New Street. Sentence2: There appear to be hourly trains from 05:01 to 23:01. Do you know what day and time you'd like to travel? Sentence3: You are welcome. Have a great trip. Bye. Sentence4: Wednesday and it should leave after 18:00. Sentence5: Can you also direct me to some attractions in town in the east? Sentence6: Ok, I have booked you 3 seats on that train. Your reference number is MI5RMEHQ . You'll need to pay 225.3 GBP at the station. Anything else I can do? Sentence7: That sounds good. Can you book that for me for 3 people? Sentence8: I'm planning my trip there, but need to find a train for when I depart. Could you help me with that? Sentence9: The TR1766 leaves at 18:01 and arrives at Birmingham new street at 20:44. Would that be OK? Sentence10: The address is 5 greens road and the phone is 01223902168. Is there anything else that i can do for you? Sentence11: That would be perfect. Can you give me the address and the phone number? Sentence12: Sure. From where will you be departing, and what is your destination? Sentence13: No, that is all. Thanks for your help. Sentence14: Of course! There are several attractions in the east. I'd suggest Cambridge Artworks; it's a museum with free entrance. Would that work for you? Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: I will be leaving from Birmingham new street on Sunday. Sentence2: Is there anything else I can help you with, today? Sentence3: Thank you. I'm also looking for places to go in town. What do you have in the way of cinemas, in the center? Sentence4: That is all, goodbye. Sentence5: Hi there. I am looking to find a train to get me to Cambridge. Can you help with that? Sentence6: TR2026 arrives by 22:23 Sentence7: Starting at 19:40 there are trains every hour through 23:40. Would you like to book a seat on one? Sentence8: They are located at the Grafton Centre, East Road. Their postcode is cb11ps. Unfortunately, I do not have the entrance fee. But, you can contact them at 08712240240 for that info. Sentence9: Thank you for the information. Sentence10: No, if you can give me the entrance fee, phone number, and postcode, I'll do it myself. Sentence11: What time does it arrive and whats its ID? Sentence12: Have a great day! Sentence13: I have several options on Sunday starting at 05:40 and leaving every hour. Do you have a particular departure or arrival time in mind? Sentence14: There is the Vue Cinema in Centre off of East Road. Would you like me to check what is playing and book tickets? Sentence15: yes i can where will you be departing from? Sentence16: Do you have a train leaving Sunday at 19:00? Question: Who has spoken the sentence 10? (A) User (B) System
[EX A]:
Answer: (A) User