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: Is there anything else I can do for you? Sentence2: nope, that's it thanks! Sentence3: Certainly! Their address is 56 Saint Barnabas Road. Is there anything more I can help you with? Sentence4: Thank you, please. Sentence5: Thank you very much for your help today! Sentence6: Let me check into that for you. Sentence7: I also need a train arriving by 17:45 on Sunday. Sentence8: Could you please let me know when that departs and what the total travel time is? Sentence9: Have a wonderful day! Sentence10: That departs at 15:21 and the total travel time is 105 minutes. Sentence11: How about TR7423? it leaves at 0500 Sentence12: I'm looking for a expensive guesthouse. Sentence13: Alexander bed and breakfast is available, would you like to book it? Sentence14: Sure, I'll go with a cheap one. Sentence15: I'm afraid not. Would you prefer a cheaper one, or perhaps a hotel? Sentence16: How silly of me to recommend an early morning train when you need to be there in the afternoon, I apologize TR9992, arrives by 17:06, interested in tickets? Sentence17: No, I don't need to book at the moment, but I would like the address. Sentence18: Sorry the train should arrive in Leicester by 17:45 and depart from Cambridge on Sunday. Sentence19: Are there any expensive guesthouses in any area? I just need it to have free parking. Sentence20: Would you settle for a moderately priced 4 star? Question: Who has spoken the sentence 10? (A) User (B) System
Student:
Answer: (A) User