Task: Speaker Identification
Input (English): Sentence1: I would like to get there by 21:30. Sentence2: There are several trains going to stevenage on Monday, do you have a time preference? Sentence3: Okay, we have train's leaving at 05:21 and every hour after for seven hours. Would you like to book one? Sentence4: it was my pleasure to help. goodbye. Sentence5: I also need a train. Leaving Cambridge on Monday. Sentence6: Your tickets are booked for train TR9082. The total fee is 25.6 GBP. Your reference number is WSUH42EM . Is there anything else? Sentence7: I have a taste for something British. Sentence8: There's Graffiti and Travellers Rest. Which one of the two restaurants do you like? Sentence9: OK, where are you headed and at what time of day? Sentence10: Ok, there are three options in that area. Do you have a certain price range? Sentence11: i want to go to stevenage Sentence12: Travellers Rest sounds good please make a booking for 2 people at 17:00 on sunday. Sentence13: Your table for 2 has been reserved at Travellers Rest and your reference number is BSEJZQE6 . They'll hold the table for 15 minutes past 17:00. Need anything else today? Sentence14: Just book one that will get me to Stevenage by 21:30 please. 2 Tickets, just like dinner. Sentence15: I want a place to eat in the west. Sentence16: I want the most expensive one. Sentence17: Do you have a particular type of food in mind? Sentence18: Thank you for the booking and reference number. I'll let you know if I need anything else. Question: Who has spoken the sentence 5? (A) User (B) System
Output (English): Answer: (B) System