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: Booking was successful. Reference number is : I4AFI8ET . what else do you need? Sentence2: you want to book it for 1 people and 2 nights starting from monday. no parking Sentence3: 6 of the 7 places that match your request are guesthouses. Is that acceptable? And what pricerange are you needing? Sentence4: I am excited to visit some of your attractions. Can you help me find a place to stay in the east part of town? Sentence5: Yes, a guesthouse would be great. I'd like for it to be in the moderate price range. Sentence6: I'm looking for an attraction called the Cambridge Corn Exchange? Can you provide me with more information? Sentence7: Thanks. I believe the car was the last thing I needed. Sentence8: The cambridge corn exchange is located in the centre of town on wheeler st. The phone number is 01223357851 and the postcode is cb23qe. Anything else I can help with? Sentence9: I sure can. I book a white tesla for 15:15. The reference number is 07560492867. Sentence10: Ok. There are three choices. Do you need free parking? Sentence11: Alright, you are very welcome. Have a nice day! Sentence12: Can you book a taxi for me at 15:15 from the corn exchange to the guesthouse? Question: Who has spoken the sentence 11? (A) User (B) System
Student:
Answer: (B) System