Task: Speaker Identification
Input (English): Sentence1: Would you like me to book that for you? Sentence2: I would like a guesthouse. The star rating doesn't matter, but the hotel should include free wifi. Sentence3: Can I help with anything else? Sentence4: I will need to leave from Ely. Sentence5: I need a train going to Cambridge and arriving by 12:45. Sentence6: There is a train departure on Friday from Ely to Cambridge that arrives by 11:52. Do you want that instead? Sentence7: Thank you. That was all I needed. Sentence8: The Acorn Guest House was successfully booked for Friday for 2 nights for 4 guests. Your Reference number is : GWZ3QLV5 . Sentence9: I would appreciate that. Is there only one option that arrives by the time I need? Sentence10: Definitely! Would you like a guesthouse or a hotel, and do you have a star rating requirement? Sentence11: Will I be able to find any moderately priced rooms to stay in in the north part of Cambridge? Sentence12: There are a number of guesthouses that fit your criteria. I would recommend the Acorn Guest House. It has a 4-star rating. Does this work for you? Sentence13: Sure, I can assist you with that. Where were you wanting to leave from? Sentence14: Can you book Acorn Guest House for 4 people for 2 nights starting friday? Question: Who has spoken the sentence 9? (A) User (B) System
Output (English): Answer: (B) System