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: I would be happy to help you. First I will need to know where you are departing from and what time you want to arrive/depart. Sentence2: Can I book a taxi today, please? I'm going to Avalon. Sentence3: Thank you so much for your help. Sentence4: I need to be at the avalon by 21:00. The taxi will have to arrive slightly earlier to get me to my destination on time. Sentence5: Oh, I am very sorry for my error. You will arrive at Avalon by 21:00. I reserved a blue lexus with new contact # 07060980339. Sentence6: Pick me up at the pizza express Fen Ditton and take me to the avalon before 21:00. Can I get the car type and contact number? Sentence7: Let me know if there is anything else you need. Sentence8: A red lexus will pick you up by 21:00. Your contact number is 07323820078. Question: Who has spoken the sentence 3? (A) User (B) System
Solution:
Answer: (B) System