Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Problem:Sentence1: how about 2 nights instead? Sentence2: Thank you. Enjoy your trip. Good bye. Sentence3: There is one hotel and 6 guesthouses in the east with free Internet. Do you prefer a certain price range? Sentence4: You are welcome. I can help with attractions and restaurants, if you wish. Sentence5: how about the leverton house? Sentence6: no, I just need it on the east side. Sentence7: Sure, I'd like to book it for 2 people for 3 nights starting on wednesday. Sentence8: Not at his time but I will keep it in mind. Have a good day. Bye. Sentence9: Booking was successful.Reference number is : HDTPOS34 . Is there anything else I can help you with? Sentence10: No, that's all I need. Thank you very much. Sentence11: Sorry, but the hotel isn't available during that time. What about changing the date? Sentence12: I am looking for a place to stay. The hotel should be in the east and should include free wifi Question: Who has spoken the sentence 4? (A) User (B) System
Solution:
Answer: (A) User