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: Absolutely! What area will you be staying in? Sentence2: Have a nice day. Sentence3: Not at this time, Thank you. Sentence4: Might I suggest The autumn house? The phone number is 01223210353. Sentence5: Do you have a specific arrival time you need. Sentence6: Could you help me find a place to stay on my upcoming trip? Sentence7: I'll be in the east. I need free wifi and free parking. I'd prefer something 4 star. Sentence8: 163 minutes. Would you like me to book it for you? Sentence9: There are 5 hotels that meet that criteria. Do you have a specific price range? Sentence10: No that is not an issue. Could I get their phone number of one you recommend. Sentence11: What is the travel time? Sentence12: Thank you. I also need a train from Birmingham new street on Sunday. Sentence13: The train should leave after 20:30 and should go to cambridge. Sentence14: Yes, I need to leave by 17:00. Sentence15: Train TR2274 leaves Birmingham New Street at 20:40 and arrives at Cambridge at 23:23. Would that work for you? Sentence16: Did you have a time you would like to arrive or leave? Question: Who has spoken the sentence 7? (A) User (B) System
Solution:
Answer: (B) System