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: There is a train leaving Birmingham New Street heading to Cambridge at 13.40. Sentence2: I don't need train booking. I do need to find a cheap Spanish restaurant, though. Sentence3: That's all I needed, thank you! Sentence4: Sure! The Train ID is TR7509. The price is 75.10 poinds. It arrives by 16.23. Would you like for me to book it for you? Sentence5: Your welcome. Please let us know if we can assist you in the future. Sentence6: I am looking for a Thursday departure for a train going to Cambridge. Sentence7: I'd like to book a table for 3 at 18:15 on Thursday. And if possible, I'd like a reference number. Sentence8: I am looking to depart from Birmingham new street after 12:45 Sentence9: I have booked that for you with the reference number D3QVNLWT . Is there anything else I can help you with? Sentence10: Great can I get the train ID, price, and arrival time for that one? Sentence11: To help you better with your travel plans, where are you planning on departing from? Sentence12: What day and time would like for me to book? Sentence13: That is all, thank you very much. Sentence14: La Raza is a cheap Spanish restaurant in the center of town. Do you need their address or perhaps I could make a reservation for you? Question: Who has spoken the sentence 13? (A) User (B) System
Student:
Answer: (B) System