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

Example Input: Sentence1: Great. Can you let me know the address and entrance fee? Sentence2: Is there a certain cuisine you are interested in eating? Sentence3: You are welcome. Thank you for using Cambridge TownInfo centre to plan your visit. Goodbye. Sentence4: There is not an expensive Austrian restaurant in the area. Is there another cuisine you'd like to try? Sentence5: How about cheap price range ? Sentence6: No, there are no places that serve Austrian food, anywhere. Sentence7: Thank you. That was all I needed today. Goodbye. Sentence8: Yes, I was hoping for Austrian food. Sentence9: Hello, I am interested in seeing the attractions on the west side of town. Can you assist me? Sentence10: No indian makes me get the runs. How about pizza? Sentence11: I'm afraid there aren't any Austrian restaurants in town at all, regardless of price. Is there anything else that could be acceptable? Sentence12: On the west side please Sentence13: Yes, Im looking for a nice high end expensive place to dine at in the same area. Sentence14: Clare hall is a college in the west part of town. Sentence15: Well, don't say I didn't warn you. We have 14 expensive Indian places in Cambridge, what side of town are you looking for? Sentence16: There are a few available but I suggest the Rice Boat. Would you like for me to book a table? Sentence17: The rice boat is located at 37 Newnham Road Newnham. Sentence18: The address is herschel road and it is free. Can I help you with anything else? Sentence19: do they serve austrian food? Sentence20: No, can you just give me the address, please? Sentence21: That's more information than I needed to know. I'm sure your supervisors wouldn't approve. I was looking for expensive indian food, please. Sentence22: What about an expensive Indian restaurant, then? Sentence23: How about an expensive indian restaurant in the west? Sentence24: there are 5 places in the west. if you want a suggestion, my friends always go to tandoori palace. Question: Who has spoken the sentence 8? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: No that's all. Thanks. Bye! Sentence2: Yes, that's right. Which of the 12 options would you recommend? Sentence3: Yes, would you try 2 nights instead, please? Sentence4: That's great. Please make a reservation for 1 on Monday. I'd like to stay 3 nights. Sentence5: Your booking was unsuccessful. Would you like another day or a shorter stay. Sentence6: Are they expensive? I would like something nice. And do they have free parking? Sentence7: Please check for something expensive first. If you don't see one, then we can come back to that. Sentence8: Booking was successful. Reference number is : JAKCI7JO . Is there anything else we can help you with today? Sentence9: How about Archway House? It's at 52 Gilbert Road cb43pe, and the phone number is 01223575314. Would that work for you? Sentence10: Yeah, that's fine. Oh, and I need free parking! Sentence11: There is the Acorn Guesthouse that is located in the north side of town. Would you like me to make a booking? Sentence12: I hope you have a great rest of the day. Sentence13: Can you tell me about a nice guest house in your city? I don't care how much it costs. Sentence14: They're a moderate guesthouse with free wifi and parking. Would you like to book a room? Sentence15: So to clarify, you need a guesthouse with free parking, and a moderate price range is acceptable? If so, I have 12 different options for you. Sentence16: It looks like all of the places in the expensive price range are hotels rather than guesthouses. Would you like to consider a different price range? Question: Who has spoken the sentence 11? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I'm actually going to call the hotel before I make the reservation. I think you for your time. Have a nice day. Sentence2: No thanks. No need to book at this time. Can you tell me about a hotel called the Avalon? Sentence3: Sure. Can I get some more information? Where were you wanting to go to? Sentence4: I would be leaving Cambridge and heading to Peterborough on Tuesday. Sentence5: The Avalon is a 4 star guest house. The phone number is 01223353071. Would you like me to make a reservation for you today? Sentence6: Yes, I need to arrive in Peterborough by 13:45. How long is the train ride? Sentence7: You need to tell me how many people are staying at what days. Sentence8: Is there a specific time you would like to depart or arrive by? Sentence9: It is a moderately priced hotel on the north. Sentence10: Sounds great. How many stars it that? And can I have the phone number? Sentence11: The train ride is 50 minutes long. TR6310 leaves at 12:34 and arrives at 13:24. Would you like me to book you a ticket? Sentence12: Is there anything else I can help you with ? Sentence13: Hello, I am looking for information. Can you help me with a train? Sentence14: Yes please make the reservation. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output:
Answer: (A) User