Task: Speaker Identification
Input (English): Sentence1: Yes of course! I do apologize. The Reference number is : 29D8WR58 . The table will be reserved for 15 minutes. Can I assist with anything else? Sentence2: No, that should be everything. Thanks! Sentence3: No, thank you for being a great customer! Good bye. Sentence4: There are two in Cambridge. One in the south and one in the centre. Do you have a preference? Sentence5: I also need a taxi from the park to Nandos. Want to get there by 12:00. thanks Sentence6: I need a restaurant in the cheap price range that serves Portuguese food. Sentence7: I have booked a taxi for you. It will be a red Ford and the contact number is 07413433001. Is there anything else I can do for you? Sentence8: There is no entrance fee. Sentence9: I still need the reference number. Sentence10: Yes. Do you know anything about a place called Sheep's Green and Lammas Land Park Fen Causeway? Sentence11: What is their entrance fee? Sentence12: It does not make a difference as long as they have reservations for 4 on sunday at 12:00. Could I get a reference number? Sentence13: The address is fen causeway, newnham road. What else can I do for you? Sentence14: What is the full address for that park? Sentence15: It's a free park in the south. Would you like more details? Sentence16: Sure, i have booked Nandos sunday 12:00 for 4. May I help with anything else? Question: Who has spoken the sentence 15? (A) User (B) System
Output (English): Answer: (B) System