Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: I apologize but there were no openings for that time. Would you like to try another day or time? Sentence2: Yes please book it for 3 people on Sunday at 14:45 please. Sentence3: Yes, could you try 13:45? Sentence4: Your booking was successful. They will reserve your table for 15 minutes, and your reference number is Q9J4799I . Can I help you with anything else today? Sentence5: You as well, enjoy your meal. Sentence6: Is that all? Would you like be to book? Anything else you need? Sentence7: May I recommend yippee noodle bar, located at 40428 King street in the centre of town? Sentence8: That's perfect, thank you! Sentence9: No thank you. Have a good rest of your day. Sentence10: I'd love to find an Asian Oriental restaurant. Something moderately priced. Question: Who has spoken the sentence 7? (A) User (B) System
Output:
Answer: (B) System