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

Ex Input:
Sentence1: There are five total parks in Cambridge, four of which are free. The University Botanic Gardens cost 4 pounds to enter. Sentence2: Thank you for your help. Sentence3: Please help me find general information about park type places to go in Cambridge. Sentence4: May I please have the phone number, postcode, and area of a free park that you recommend? Sentence5: I have cherry hinton water play,located in the east and the post code is cb18dw. Here is the phone 01223446100. Sentence6: Have a nice day! Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System

Ex 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

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: I will take the one in Centre, can you book that for 8 people starting Friday for 5 nights? I need the reference number as well please. Sentence2: I have booked the El Shaddai for 8 people for 5 nights starting on Friday. The reference number is BX3X2XZ1 . Sentence3: I am going to be visiting and would like a guesthouse. Sentence4: I have about 24 different options. Let's try to narrow it down. Do you have a preference on price range or area? Sentence5: I'll be leaving Cambridge on Wednesday and need to arrive by 13:15, please. Sentence6: Have a great trip. Goodbye. Sentence7: I don't have any hotels that match that criteria. Would you like to switch up your rating or price range? Sentence8: Certainly. TR2625 leaves at 11:46 and arrives at 12:55. Will that do? Sentence9: To narrow down the search, could I possibly have the date and the departure location for the train and possibly a desired time? Sentence10: Next up I'd like to inquire about a train going to norwich. Sentence11: Yes. What is the travel time, price, and departure time? Sentence12: it should have star of 0 and should be in the expensive range. Sentence13: ok, I have one in the north or in the centre. Which would you prefer? Sentence14: The price for you trip to Norwich is 17.60 pounds. Do you have any final question? Sentence15: The departure time will be at 11:46 with a travel time of 1 hour 10 minutes. The price is in the cheap range. Sentence16: Sure, I could stay at a cheap guesthouse. Sentence17: That should be all. thank you very much. Sentence18: No thank you very much. Good bye. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User