Task: Speaker Identification
Input (English): Sentence1: I need to book it for 5 people. Sentence2: I recommend Clare Hall. It is free admission, and the address is Herschel Road, CB39AL. Sentence3: I have a train on Tuesday that arrives at 18:07. I believe that would suffice? Sentence4: Book me a train from bishops stortford that arrives by 18:30. Sentence5: Thank you for calling. Have a great day and a fantastic trip to Cambridge. Goodbye. Sentence6: are you sure? i need to leave tuesday. Sentence7: There are a lot of great places to go in the west - museums, colleges, entertainment venues - what would you like to do? Sentence8: Colleges are find, can you recommend one and give me the postcode, address and entrance fee? Sentence9: I need the train to leave on tuesday and go to cambridge. Sentence10: There are no trains on Tuesday. Sentence11: Can you book it for me and get a reference number ? Sentence12: Your booking on TR1772 was successful. The reference number is YV3K20RP . The total fee of 50.5 is payable at the station. Sentence13: The only entertainment venues that I can find are colleges in the West. Is there another area you would like me to search? Sentence14: Yes I am sure. Can you change your criteria? Sentence15: You're welcome! Is there anything else I can help you with? Sentence16: I can do that for you. Can you tell me how many tickets you need to book? Sentence17: Also looking for place to go in the west. I need the postcode, address and entrance fee. Sentence18: Would you choose an entertainment venue for me? Museums and colleges seem so boring. I will need the address, postcode and entrance fee, please. Sentence19: OK, the TR0201 arrives at 18:07. Would you like to book that? Sentence20: No, I can not do that. Sentence21: That is great, thanks for your help. Sentence22: No, I think I have everything I need. Question: Who has spoken the sentence 12? (A) User (B) System
Output (English): Answer: (A) User