Task: Speaker Identification
Input (English): Sentence1: No thank you. Have a great day! Sentence2: I have about 5 restaurants in that area. What kind of food would you like them to serve? Sentence3: Surprise me, I just need the booking for 8 people Monday at 18:00. Please provide me with a reference number for this booking. Sentence4: You are very welcome. Would you like the address for the restaurant? Sentence5: I can make a reservation at Saigon City for 8 people on Monday evening. The reference number is ECKX7YSF . Is there anything else I can do for you? Sentence6: I am looking to eat at a north restaurant in the expensive price range. Sentence7: You have a great day as well! Sentence8: Thank you so much! That's all I needed. Question: Who has spoken the sentence 7? (A) User (B) System
Output (English): Answer: (B) System