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: Your booking with a white ford has been completed. The contact number is 07979324338 and you will leave at 7:00. Sentence2: Thank you that is all, good bye. Sentence3: I would be happy to book a taxi for you, what time would you like to leave the college by? Sentence4: Magdalene College is located in the west part of Cambridge. What information would you like about the college? Sentence5: The booking was successful. Your reference number is ZR1YUZB1 . Sentence6: Thank you. I also need a taxi from the college to the hotel, please. Sentence7: How about just for 1 night? Can I also get a reference number. Sentence8: Magdalene College is located on Magdalene Street with a postcode of CB30AG. Is there anything else I can help you with? Sentence9: I am planning a trip to Cambridge. I was hoping to find the attraction called magdalene college. Sentence10: The Ashley Hotel is a moderately priced hotel on the north side of town. Would you like assistance booking a room there? Sentence11: I'd like the postcode and address, please. Sentence12: I'd like to leave the college by 7:00. Sentence13: I'd like to find the Ashley Hotel, please. Sentence14: You are welcome. Have a nice day. Good bye. Sentence15: Yes. I'd like to book a room on Friday for 2 nights for 7 people. Sentence16: That booking was unsuccessful. Would you like to try a different day, or a different length of stay? Question: Who has spoken the sentence 12? (A) User (B) System
Solution:
Answer: (A) User