Task: Speaker Identification
Input (English): Sentence1: Certainly, how about riverside brasserie is in the moderate price range, serves modern European and it is in the Centre area. How many people shall I book it for? Sentence2: could you be a little more specific please; what day do you want to leave, and when do you want to leave? Sentence3: Can I assist you with anything else today? Sentence4: I found 10 trains, do you have any time you need to arrive by? Sentence5: No, I just need to leave after 13:45. Give me which ever one is earliest. Sentence6: I am looking for a modern European restaurant in the moderate range. Sentence7: I'd like to leave after 13:45 on thursday from cambridge to stansted airport. Sentence8: Not at this time, no. I just needed the information, thank you. Sentence9: Excellent. Have a good day! Sentence10: Let me think on that, could you help me book a train? Sentence11: Sure, you can choose. As long it's in the moderate price range and serves modern European food, can you tell me what area it is in please? Sentence12: I have three restaurants that meet your criteria - Restaurant Alimentum, De Luca Cucina and Bar, and Riverside Brasserie. Would you like to book a table at one of these? Sentence13: That is everything. Thank you! Sentence14: The earliest one I have leaving is 14:40 and arriving at 15:08. Would you like me to book this for just one person? Question: Who has spoken the sentence 5? (A) User (B) System
Output (English): Answer: (B) System