Task: Speaker Identification
Input (English): Sentence1: Thank you! Enjoy your visit to Cambridge. Goodbye. Sentence2: May I have the postal code for the Gallery as well please? Sentence3: Okay, I have booked the 17:00 train for you. The arrival time is 17:51. Your reference number is FGAHEJD9 and the price is 23.60 pounds. Sentence4: We have quite a few options available to you. Is there a particular day you are looking to travel? Sentence5: It doesn't matter. Sentence6: Yes please. Could you also tell me how much it is & what time it arrives? Sentence7: No, that's all I needed. Have a nice day. Sentence8: I need assistance finding a train departing from Cambridge and arriving at London Kings Cross. Sentence9: Yes, it's cb30aq. Is there anything else I can tell you about it? Or something else I can help you with? Sentence10: Lynne Strover Gallery's address is 23 high street, fen ditton, entrance is free. Can I do anything else for you today? Sentence11: TR0945 leaves on tuesday at 17:00. Would you like me to book it for you? Sentence12: I'm leaving after 15:15 on Tuesday. What's available then? Sentence13: I have four, what time would you prefer to arrive by? Sentence14: I am also looking for a particular attraction. The name of the place is Lynne Strover Gallery. Can you give me the address and fee? Question: Who has spoken the sentence 5? (A) User (B) System
Output (English): Answer: (B) System