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: No, that's okay. Are there any Museums in the East instead? Sentence2: I can recommend four different museums in the east area. How about Cambridge artworks? It is popular. Sentence3: You're welcome, have a great day! Sentence4: Nope, that's everything. Thank you! Sentence5: Well, unfortunately there are architectural attractions located in the east. Would you like to try a different area? Sentence6: Can you give me their phone number and postcode, please? Sentence7: The cambridge artworks is a free museum. Can I help you with anything else today? Sentence8: Excellent. I'm also looking for a train as well. Sentence9: Yes, I am looking to depart from London Kings Cross that should arrive in Cambridge by 15:00 and I need it for 3 people and will need the reference number. Sentence10: On Monday please. Sentence11: I was able to book you on TR3194 which leaves london kings cross at 13:17 and arrives Cambridge at 14:08. Reference R6KWX99C . Can I help with anything else? Sentence12: I need to narrow the search down. What day will you be traveling? Sentence13: That sounds interesting. What is the entrance fee for this museum? Sentence14: Certainly. Do you have a destination in mind? Sentence15: I am looking for architectural spots to visit on my trip to Cambridge. On the east side. Sentence16: Absolutely. Their phone number is 01223902168 and they are in postcode cb13ef. Question: Who has spoken the sentence 15? (A) User (B) System
Solution:
Answer: (B) System