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 great, thanks. Sentence2: Your grey Honda is booked, and the contact number for the driver is 07817450562. Can I do anything else for you today? Sentence3: I need to actually arrive by 19:15. Sentence4: I will be departing from parkside police station. Sentence5: What time would you like to depart at? Sentence6: I'd like a taxi to the ugly duckling Sentence7: Where will you be departing from today? Sentence8: Have a nice day. Thank you for contacting us. Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


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: Yes, the price is 37.80 pounds. Would you like me to book it for you? Sentence2: There are 13 results. Is there a certain time you'd like to leave by? Sentence3: The address is 151 Hills Road. Is there anything else you'd like to know? Sentence4: Ok, thank you for calling and feel free to call again if you should need anything further. Sentence5: Can you help me find a train leaving leicester goig to cambridge? Sentence6: No, thanks. I'm looking for info on a bridge guest house. Sentence7: Nothing more, thank you. That's all I need for today. Sentence8: No, i don't need a booking yet. I just would like the address please. Sentence9: I need to travel on Friday and arrive by 19:45. Sentence10: No, I said I need to arrive by 19:45 already. Sentence11: 18:54 is the latest on tr5154 shall i book it ? Sentence12: Of course! What day will you be traveling? Sentence13: It's a moderately priced 3 star guesthouse in the south. Would you like a room? Sentence14: Could you let me know the cost? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:

Answer: (B) System