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

[EX Q]: Sentence1: I was just involved in a car accident. Sentence2: You should contact this number: 01223358966. Sentence3: The address is Parkside, Cambridge, postcode CB11JG. Sentence4: Yes, I have a passenger that is hurt. How can I get to the hospital to make sure they are okay? Sentence5: You are welcome. Have a great day. Sentence6: I'm very sorry to hear that! Have you called the police yet? If not here is their number 01223358966. Is there anything else I can help with? Sentence7: Thanks, what's the address and postcode to the police department? Sentence8: Thank you for the info. That'll be all for now. Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: the post code is cb41er. what day would you like the reservation for? Sentence2: You're quite welcome. Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence3: The Ashley Hotel sounds fine, can you book that for me please. Also, I need the postcode of that hotel as well. Sentence4: I'm looking for a hotel in the north side. Sentence5: Ashley Hotel and Lovell lodge are both available Sentence6: Actually, I don't need a booking. Thanks. Have a nice day. Sentence7: I have many options in the north. All are in the cheap to moderate range. Do you have any further requirements? Sentence8: I'd like a 2 star hotel with free parking. Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: No, that's all. Thanks again for your help. Sentence2: I show five that fit your criteria. May I ask the location you are in? This would help refine our search. Sentence3: Thank you for using our service. Sentence4: Great Yes it is and thank you. Sentence5: La Margherita was unavailable. I was able to book you at Zizzi Cambridge which is in the same price range. Your reference number is QRJ5MP30 . Is this acceptable? Sentence6: Okay as long as it's in the same price range. Sentence7: Can you please help me find a cheap italian restaurant? Sentence8: If there is one that you know of that you recommend, that would be fine. I don't know any, so some guidance would be great. Sentence9: Would you like more details on any of the available restaurants before booking a table? Sentence10: It doesn't matter what area. Can you book a table for 2 people at 11:00 on Wednesday. Sentence11: How about la margherita? Sentence12: Will you be needing anything else today? Question: Who has spoken the sentence 7? (A) User (B) System
[EX A]:
Answer: (B) System