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

Ex Input:
Sentence1: No, that's all I needed. Thank you for your help - goodbye! Sentence2: I will take the one that arrives at 15:08. can you make me a booking for 8 people on Wednesday? I will need a reference number. Sentence3: The train should depart from Cambridge on Wednesday and headed for Stansted Airport. It should arrive by 15:15. I would also like you to make a booking for 6 people. Sentence4: I'm looking for a train. Sentence5: I have two trains that would suit you. One arrives at 14:08 and the other at 15:08. Do you have a preference? Sentence6: I have 2,828 trains with different routes, to help narrow it down, where will you be departing/arriving, and what day/time? Sentence7: It was a pleasure to assist you. Please use us again for your future needs. Have a good day. Sentence8: Sure thing! I've booked the train for 8, and your reference number is I62H3VUY . Is there anything else I can do for you today? Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: There's a Parkside Police Station in town, right? Sentence2: Thanks! Also, can you give me the exact address to the station? Sentence3: The only address listed is Parkside, Cambridge. It does not give an exact address, I'm sorry to say. Sentence4: I will also need the postcode please. Sentence5: No, that's all thank you Sentence6: Sure, the postcode is CB11JG. Sentence7: Yeah, sorry for the inconvenience. Can I do anything else for you though? Sentence8: Yes, it is located at Parkside, Cambridge. Sentence9: Wow. That is very odd. Sentence10: Thanks. I need the phone number and postcode too. Sentence11: Sure thing. They are located in Parkside, Cambridge and the phone number is 01223358966. Sentence12: You're welcome, have a great day Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: When would you like to leave the restaurant or arrive at the college? Sentence2: Just to avoid any confusion on my part you were looking for a college or a museum? I may have pulled up the wrong information. I apologize for that. Sentence3: I apologize, there's been a misunderstanding. Before we can book your taxi, we need to know which college. There are 18 colleges. What area are you looking for? Sentence4: Great! May I have their contact number? Sentence5: That is wonderful. Thank you so much for being patient. I am all set. Bye. Sentence6: We have tandoor palace, cocum, rice boat, maharajah tandoor restaurant, and india house, which would you like to try? Sentence7: Would you like me to book you a table at maharajah tandoori restaurant? Sentence8: Yes, a table for 2 people on friday at 12:00. I need a reference number. Sentence9: Would you like to arrive at the restaurant or at the college by 12:00? I'm afraid there has been a misunderstanding. Sentence10: I'm looking for an expensive place to eat in the west area of town. Sentence11: The restaurant please. Sentence12: I would like to leave maharajah taondoori, and go to a college. Sentence13: The Maharajah Tandoor sounds great! Sentence14: I apologize for the confusion. I have 5 different museums. 3 are free and the other two charge 2.50 pounds. All are in the west. Which do you prefer? Sentence15: Yes please, to be precise and clear up prior misunderstandings, I need a taxi at 11.45 from Churchill College to Maharajah Tandoor so I can get there by 12. Sentence16: to the attraction Sentence17: I want to arrive at the restaurant by 12:00 on Friday please. I will also need their contact number and the car type. Sentence18: Thank you, goodbye. Sentence19: The contact number for Churchill College is 01223336233. Are you ready to book that taxi now that we know which college you are wanting to travel to? Sentence20: I would prefer a free one, just surprise me with information on one of them please. Sentence21: Indian sound good. Sentence22: There are nine expensive restaurants on the west side of town. Did you have a specific cuisine in mind? Sentence23: All right, a table for 2 is reserved for you. M4TC7VRV is your reference number. Sentence24: Yes, we've booked a taxi for you: A red volvo, contact number 07272851306. Sentence25: I am also going to need a taxi to get me to the restaurant before my reservation. Can you get me their contact number and car type? Sentence26: I would be happy to book you a taxi. Could you please tell me where you would like to depart from? Sentence27: A college and I need their telephone number. Sentence28: Where would you like the taxi to take you? Sentence29: I'm sorry, let's back up. We'll worry about the taxi later. First, can you help me find a college on the west side of town? Sentence30: Certainly Churchill College is free to enter and their address is storey's way. Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:

Answer: (A) User