Task: Speaker Identification
Input (English): Sentence1: And what is your destination station? Sentence2: Gladly. It's located in the centre and it serves modern European food. Would you like me to make a reservation for you? Sentence3: Yes please, can I get a reservation for Friday at 21:00 for 3 people? Sentence4: I am also looking for de luca cucina and bar, can you help me locate it? Sentence5: I need to arrive by 5pm. Sentence6: I need a train that leaves london kings cross on friday Sentence7: I'm happy we could be of service, and enjoy your time in Cambridge! Sentence8: No thank you, that is everything. Sentence9: That's physically impossible. You want to leave after 17:30 which is 5:30 pm and arrive at 5 pm? Try that again please. Sentence10: There are 3 trains leaving after 17:30 on Friday, by what time would you like to arrive in Cambridge? Sentence11: the TR9139 leaves at 19:17 and arrives by 20:08 Sentence12: I need to arrive at Cambridge. I want the train to leave after 17:30. Sentence13: Great choice! Your booking was successful. Here is your reference number 8W4EZQ1E . Anything else I can help you with? Sentence14: Can I get the train ID and arrival time for the first train after 17:30 on Friday, going from Kings Cross to Cambridge? Question: Who has spoken the sentence 11? (A) User (B) System
Output (English): Answer: (B) System