Task: Speaker Identification
Input (English): Sentence1: Hello there. I am trying to locate a train for Monday. Sentence2: Let me know if you do need any more help. Good bye. Sentence3: All right, and where would you like to depart from? Sentence4: I have two trains that will leave after 21:00. One leaves at 21:39 and one leaves at 23:39. Which would you prefer? Sentence5: I need on that will leave London after 21:00. Sentence6: Sure. Where will you be going? Sentence7: No I don't need to book it right now. Thanks for the information. Sentence8: The train ID is TR5906 and it arrives by 23:07 in Cambridge. Would you like me to book that one for you? Sentence9: Nope. Thanks though. Goodbye. Sentence10: I've got 10 trains that are on that route. Do you have a preferred departure or arrival time? Sentence11: I am going to Cambridge. Sentence12: I'll will be leaving from London Liverpool Street. Sentence13: What time does the one that leaves at 21:39 arrive in Cambridge? Also, what is the train ID? Sentence14: You're very welcome. Is there anything else I can help you with today? Question: Who has spoken the sentence 9? (A) User (B) System
Output (English): Answer: (B) System