Task: Speaker Identification
Input (English): Sentence1: I need to be in cambridge by 21:45. Could you find me close to that time? Sentence2: I'm looking for a place to stay in the north. Sentence3: Yes. I need a train from Ely to Cambridge. Sentence4: The trains departs from Ely every two hours at 5:52, 7:52 so on. What time do you plan to travel? Sentence5: I would like to leave on Tuesday please, can I have the price and depature times also? Sentence6: No, I am sorry another day perhaps or a shorter stay might be able to get that booked for you. Sentence7: Your best bet would be TR1537 which arrives in Cambridge at 19:52. The price is 4.40 pounds per ticket and the departure time is 19:35. Sentence8: Acorn guest house is in the north, would that work for you? Sentence9: Booking was successful. Your reference number is NTQSJSP0 . Do you need further assistance today? Sentence10: Yes if it has free parking, meals, pool and wifi. I want it to be in the expensive price range. Sentence11: Thank you! Please feel free to contact us if you change your mind or need further assistance! Have a great day! Sentence12: Can we try it for 1 night? Sentence13: And which day would you like to leave on? Sentence14: How about Ashley Hotel in the north part of town? It's on Chesterton Road. Sentence15: I am looking for a hotel in the north part of town with free parking, a 2 star rating, and in the moderate price range. Sentence16: Sounds good. Can you book it for four nights starting on Tuesday? Sentence17: That is all I need. Thank you. Sentence18: I'm sorry, there are no expensive hotels in the north area. Acorn Guest House is moderately priced, and does have free parking and wifi. Would you be interested? Question: Who has spoken the sentence 15? (A) User (B) System
Output (English): Answer: (B) System