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

Input: Consider Input: Sentence1: I would prefer one of the expensive places. Need to impress my guests, you know? Sentence2: I see one moderately priced Indian restaurant in that area, and several expensive ones. Do you have a preference? Sentence3: Actually, I would like to book the hotel for 6 people for 4 nights starting on Sunday. Sentence4: I want an expensive place to stay in the west side. Sentence5: Okay, the phone number is 01480446000 for your convenience. Is there anything else I can help you with? Sentence6: There are three expensive Indian Restaurants in that area. Can I recommend Tandoori Palace? Sentence7: Thank you, you have a good day! Sentence8: I don't really need internet, but that sounds like everything else I want. Yes, I'd like you to book it. Sentence9: Yes, is 3 nights possible? Could I also please have a reference number? Sentence10: I was not able to reserve a table for you at that time. Is there a different day or time slot that you would like? Sentence11: Booking was not possible. Would you like to try a shorter stay, fewer rooms, or another day? Sentence12: Great! I have a table for 6 people at 11:30 onSundar at Tandoori Palace, Reference Number 3BMGPAN3 . Is there anything else I can do for you? Sentence13: I will hold off on the booking today I think I have all I need Sentence14: No thank you, that is all I needed! Sentence15: Thank you. I would like to make reservations for my party to have dinner one night near the hotel. We would like to go to a restaurant that serves Indian food, if possible. Sentence16: Great, the booking was successful. Your reference number is HJHE475H . Is there anything else I can help you with? Sentence17: OK, what is your arrival date, number of nights, and number of people in your party? Sentence18: Yes, that sounds good. Please book it for the same 6 people at 12:30 on Sunday. Sentence19: The Huntingdon Marriott Hotel is an expensive, 4-star hotel in the west that offers free internet and parking. Would you like me to book this for you? Sentence20: Yes, how about 11:30 instead? Please send reference number for the booking. Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Pick any of them, please. Book it for 6 people and 3 nights, starting thursday. Sentence2: I need something with free parking and a 4 star rating. Sentence3: I have 24 guesthouses. Let's narrow it down a bit. Do you have a price range? Sentence4: I am showing 18 colleges. Is there a certain area of town you would like? Sentence5: What is the postcode of Corpus Christi? Sentence6: Booking was successful. Reference number is : 2WPLODLS . is there anything else i can help you with? Sentence7: Not really. Which do you think would be the most interesting to visit? Sentence8: That cuts it down to 16. I can recommend the Acorn guest house, or do you have a pricerange or area of town you want to stay in? Sentence9: I would suggest Christ's college in the city centre or Corpus Christi college in the west. Christ's college is free and Corpus Christi costs 2 pounds? Which do you want? Sentence10: Hello, any interesting colleges in town? Sentence11: Their postcode is cb21rh. Can I assist you with anything else? Sentence12: I am looking for a guesthouse to stay in. Question: Who has spoken the sentence 11? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Yes, that stay is available. I have successfully reserved it for you with a reference number of 34Z6Y56Y . Sentence2: Hi there. I was wondering if you could provide some information on the Bridge Guest House hotel. Sentence3: You are very much welcome. Thank you for using our service and have a good day! Sentence4: Thank You. I also need a train from Cambridge on Wednesday. Sentence5: I would like the one that arrives at 8:10. Could you book it for 6 people? Sentence6: You're all set! The reference number is BGNTQZRJ, and you can pay the total fee of 76.8 GBP at the station. Is there anything else I can assist you with today? Sentence7: Sounds good. Could you book me a room for 5 nights, starting Sunday? There will be six of us. Sentence8: I need to arrive in Stevenage by 09:45 on wednesday Sentence9: I'm sorry, Monday is not available either. Would you like to try a shorter stay, perhaps? Sentence10: Would 3 nights starting Sunday work? Sentence11: It is a guesthouse located in the south part of town in the moderate price range and has a 3 star rating. Sentence12: I'm afraid it's not available for that period. You would like to try a different day? Or a shorter time period? Sentence13: The TR8974 arrives closest to that time, at 08:10. Your other choice arrives 2 hours earlier. Sentence14: Is it available on Monday? Sentence15: Sure, I need further information to narrow the results though. Sentence16: Nothing else. Thank you for your help Question: Who has spoken the sentence 7? (A) User (B) System


Output: Answer: (B) System