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: So, to clarify, you want a taxi from the University Arms to Bangkok City at 16:00, correct? Sentence2: No, that's all. Thank you. Sentence3: What price range and in what area? Sentence4: What type of hotel is the University Arms? Sentence5: its postcode is cb21ad. is that all? Sentence6: It's a 4 star hotel. In the centre and expensive as you requested. Sentence7: I am looking for an expensive place in the centre area with free wifi? Sentence8: I would like to book a taxi that can commute to both places, It would need to arrive by the booked time. Please provide contact and the car type. Sentence9: Your cuisine options are: British, European, Indian, and Thai. Sentence10: Yes I would like a table for 4 people at 16:00 on Saturday. Sentence11: Reference number is : FJVATJEE . Is there anything else? Sentence12: I'm sorry, make that the centre of town. A Thai restaurant would be fine. Sentence13: Yes, thank you. Sentence14: I found Bangkok City. Would you like me to book a table? Sentence15: Have a nice day. Sentence16: I am looking for something expensive in the west please. Sentence17: I have two options. The Gonville Hotel which has three stars, and the University Arms Hotel which has four stars. Would you like to make a booking? Sentence18: Done! You'll be picked up in a yellow Tesla, and the contact number is 07044662222. Can I help you with anything else? Sentence19: Can you help me locate a place to eat tonight? Sentence20: No thank you. What is the University Arms Hotel's postcode? Question: Who has spoken the sentence 17? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Price range doesn't really matter, but I do want a 4-star place with free parking and internet. Sentence2: I have 19 hotels that match that criteria. please be more specific about the area of town where you'd like to stay Sentence3: Do you prefer a formal hotel, or a guesthouse? Sentence4: OK, what price point do you want me to look for? Sentence5: Booking was successful at the alexander bed and breakfast. Reference number is : MDB2AV4K Sentence6: i need a place to stay Sentence7: The area doesn't matter. Please book for 6 people on Saturday with 4 nights stay. Sentence8: Can you give me a suggestion for a hotel and make that reservation please? Thanks. Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Yes, I am looking for a train leaving Cambridge going to Norwich on Friday. Sentence2: There are 4 boat attractions. What area of town would you like? Sentence3: Not sure what area, but could you pick one for me and tell me the address and phone number? Sentence4: Booked! TR4093 is your train, reference number is 08QY408D . 105.6 is the total fee. It leaves at 18:36 and arrives at 19:55. Sentence5: There are 19 trains from Cambridge to Norwich on Friday. Is there a particular time you'd like to leave or arrive? Sentence6: Sure, Camboats is always a good bet. Their address is the plough, green end, fen ditton, and postcode is cb58sx. Can I help you with anything else today? Sentence7: Thank you, you too. Sentence8: Yes, I would like to book the one that arrives closest to 20:30. I will need tickets for 6 people. Sentence9: Have a good day. Sentence10: I'd like to leave on Friday and arrive by 20:30. Sentence11: Excellent. Have a great rest of your day! Sentence12: Alright, you have plenty of options. The first train available leaves at 5:36, and they run every hour until 18:36. Would you like to book one of these trips? Sentence13: I have everything I need. Sentence14: I am looking for places to go in town, preferably something with boats. Question: Who has spoken the sentence 10? (A) User (B) System


Output: Answer: (A) User