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

[Q]: Sentence1: The area doesn't matter. I would like free wifi though, if possible. Sentence2: Not really, how about 4 star? Sentence3: Do they also have free parking? Sentence4: I have many options. Do you have a preference for the area you would like to stay in. Sentence5: There are several moderate 4-star places to stay throughout town, but they are all guesthouses. Would a guesthouse work for you? Sentence6: acorn guest house does have free parking,would you like that one? Sentence7: Dojo Noodle Bar is a nice cn I book you a table ? Sentence8: I'm looking for a moderately priced, 1-star place to stay. Sentence9: No, I don't need a hotel booking at this time. I'd like to find a place to dine on Sunday. Sentence10: Unfortunately we do not have any moderately priced 1 star hotels in Cambridge. I'm sorry! Cityroomz has 0 stars in the centre, does that work? Sentence11: Would you like me to reserve the acorn guest house for you? Sentence12: Yes. I also need to find a place to dine that is in the center and the same price range as the hotel. Question: Who has spoken the sentence 9? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: Okay that is all I needed. Sentence2: Can you help me find a hospital close by for an injury I have? Sentence3: The address is Hills Rd, Cambridge and Postcode is CB20QQ. Sentence4: I have information for Addenbrookes Hospital at Hills Rd, Cambridge. If you have a certain department you would like to contact, I can get that number for you. Sentence5: Okay. Glad I could be of help. Sentence6: I just need the adress and the postcode if you have it. Question: Who has spoken the sentence 1? (A) User (B) System
[A]: Answer: (B) System

[Q]: Sentence1: British food, then. Sentence2: No that was all I needed, thanks so much, goodbye! Sentence3: All right, I'll try that. I need a reservation for a party of 5 at 11:00 on Thursday. Sentence4: We have six. Do you have an area preference? Graffiti, on the west side, is popular. Sentence5: Booking was successful. The table will be reserved for 15 minutes. Reference number is : P15GVV9V . Is there anything else I can help you with? Sentence6: I'm needing a place to dine. It needs to be an expensive Brazilian place. Sentence7: You're welcome! Have a great day! Sentence8: Unfortunately, I don't happen to show any restaurants that meet that criteria. Would you like me to try looking for a different price range or cuisine type? Question: Who has spoken the sentence 2? (A) User (B) System
[A]:
Answer: (A) User