Task: Speaker Identification
Input (English): Sentence1: Okay, you're all set! I have it booked for Sunday, 18:00, and for 2 people. Your reference number is LR4G3953 . Is there anything else I can help with? Sentence2: What does Cambridge offer so far as expensive, German restaurants? Sentence3: You are welcome. Are you certain I can't help with a hotel or a train for you? Sentence4: Thank you for calling and have a great trip to Cambridge. Goodbye. Sentence5: That is all I needed. Thank you! Sentence6: Yes, actually, I'm looking for a train. I'll need to depart from Cambridge after 20:00. Sentence7: I'm terrible at math. What time does that arrive? Sentence8: i want to travel on sunday. i need to leave cambridge at 20:00. Sentence9: Is there any asian oriental restaurants in the north area? Sentence10: There's no restaurants meeting your criteria. Would you like to change anything parameters? Sentence11: Would you like to search for something else? Sentence12: I am going to Ely on Sunday. Sentence13: TR0537 leaves at 21:50 and arrives in 17 minutes. Do you want tickets for that? Sentence14: Yes, there is one called Saigon City. Would you like more information? Sentence15: Thank you for all your help. Have a great day. Sentence16: We have lots of those! Where are you traveling to? Sentence17: The arrival time is 22:07. Sentence18: I would like you to book it. 2 people 18:00 on Sunday. Sentence19: Oh really? I was hoping to eat expensive German cuisine in the northern part of town. Sentence20: What day will you be taking the train? Question: Who has spoken the sentence 4? (A) User (B) System
Output (English): Answer: (A) User