Task: Speaker Identification
Input (English): Sentence1: Ok, great! I have train TR7423 departing cambridge at 05:00 and arriving at london kings cross 05:51 on Sunday. Would you like me to book this for you? Sentence2: Have a wonderful day. Sentence3: I sure can. What day are you traveling and what is your departure city and destination? Sentence4: Yes, please. Can I get six tickets and a reference number once it's booked? Sentence5: I'm leaving sunday from cambridge going towards london kings cross. Sentence6: I am traveling on Sunday. Sentence7: I have 70 trains leaving cambridge and going to london kings cross. What day would you like to travel? Sentence8: Do you have a preference as to which part of town the college is located? Sentence9: I am also looking for train schedules. Can you help me with that? Sentence10: Your booking was successful. The reference number is 2VRW842P . Is there anything else I can help you with today? Sentence11: I'd prefer somewhere in the west. Sentence12: I need to find a college in town. Sentence13: Churchill college is in the west part of town. Sentence14: No,thank you very much. Sentence15: Can you tell me their address and postcode, please? And do they charge any entrance fee? Sentence16: The address is storey's way postcode cb30ds. Their phone number is 01223336233. Entrance to the college is free. Is there anything else I can help you with? Question: Who has spoken the sentence 13? (A) User (B) System
Output (English): Answer: (B) System