Task: Speaker Identification
Input (English): Sentence1: You're welcome, let me know if I can assist with anything else. Sentence2: I would like to know if you can book me a room for 5 nights starting Friday. I also need the reservation # Sentence3: sorry i am not able to find it Sentence4: Thank you. That is all that I need. Sentence5: I switched the booking to 3 people, and the new reference number is FW6X5F78 . Sentence6: How about one that serves Indian food instead? Sentence7: There are 5 that match you criteria. Tandoori palace is a great place, shall I book a table for you? Sentence8: Are there any expensive international food places in the west area? Sentence9: Tandoori Palace, 68 Histon Road, Chesterton. Post code cb43le. Is there anything else? Sentence10: Hi. I'm looking for a relatively expensive international restaurant to dine at this evening. Is there one that you would recommend? Sentence11: I need the Bridge Guest House for 3 people. I forgot to include that. Sentence12: what do you mean? you're the one who recommended it. Sentence13: I could not find any expensive international places to eat. Do you have any other preference? Sentence14: Well. I also need the hotel called Bridge Guest House. Sentence15: sure, i have their info. what would you like to know? Sentence16: Could I get address and postcode Sentence17: Nothing in the west,another area? Sentence18: I have booked a room for you for five nights at the Bridge Guest House, beginning on Friday. Your reference number is R175R6S0 . May I assist you with anything else? Question: Who has spoken the sentence 12? (A) User (B) System
Output (English): Answer: (A) User