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: There are 8 trains, TR2987 leaves at 9:35 if you'd like that. Sentence2: The Man on the Moon concert hall is my favorite. Their postcode is cb12lf. Can I help you with anything else today? Sentence3: No thanks. I will go ahead and book later. I think that's all the information I need for today. Sentence4: 4.40 pounds. would you like me to book it for you? Sentence5: I am in the centre of town and I need somewhere to go. Sentence6: I'm going Monday and need to leave after 08:00. Sentence7: Anything is fine. Send me to your favorite place in the city, just be sure to give me the postcode. Sentence8: That would be fine. What is the price? Sentence9: All right, then. Thank you for calling. Have a nice day. Sentence10: What day would you like to travel, and at what time? Sentence11: I'm looking for a train from Ely to Cambridge. Sentence12: There are 44 attractions near you, can you narrow down what you would like to see? A museum perhaps? Question: Who has spoken the sentence 4? (A) User (B) System
Solution:
Answer: (A) User