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: Ok. The price is 16.60 pounds for 1 ticket. Do you want me to book it? Sentence2: I need a train from london liverpool street station on wednesday. Sentence3: That's all the info I needed today, thank you for your help! Sentence4: Just one is fine. Sentence5: That should be perfect. How many tickets can I get? Sentence6: There is one train leaving at 7:39 arriving at 9:07 would that work for you? Sentence7: Yes, it's 88 minutes. May I help with anything else? Sentence8: Could you tell me the travel time please first? Sentence9: What is your destination, please? Sentence10: I am heading to Cambridge for an important visit. Can you get me there by 11:00? Sentence11: You can buy up to eight tickets. Sentence12: Thank you! Have a wonderful day! Question: Who has spoken the sentence 7? (A) User (B) System
Solution:
Answer: (B) System