Teacher:You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Teacher: Now, understand the problem? Solve this instance: Sentence1: The price is 9.80 pounds and will leave at 8:11 and arrive at 8:58, which is 47 minutes travel time. Would you like to book a seat? Sentence2: Yes, that sounds good. Sentence3: You are welcome. Is there anything else I can do for you? Sentence4: Actually hold off on booking for now. Thank you for your help. Sentence5: No, that will be all. Thank you for all your assistance. Sentence6: I have 4 trains that arrive before 9:45. Would you like me to book TR8705 which leaves at 8:11 and arrives at 8:58 Sentence7: I am looking for a restaurant called Charlie Chan Sentence8: I am looking to leave Kings Lynn station and arrive by 9:45 Sentence9: yes please, for 1 person at 12:45 on Thursday, thank you Sentence10: Thanks! I also need a train to Cambridge on Thursday. Can you help me with that? Sentence11: Can you tell me your departure station and a time you'd like to either leave or arrive? Sentence12: You're all set! The reference number is NL81FN41 Sentence13: You're welcome! Let me know if I can help with anything else. Sentence14: What's the price and travel time for that train? Sentence15: I found Charlie Chan on Regent Street City Center. Can I book that for you? Sentence16: Is this also just for one person? Question: Who has spoken the sentence 12? (A) User (B) System
Student:
Answer: (A) User