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: What day will you be arriving? Sentence2: Okay, the train ID is TR4134. Anything else today? Sentence3: I need the booking for 6 people, for 2 nights beginning on Thursday. Sentence4: Also I need a train to Cambridge to depart Norwich at 8:30 on Tuesday. I need the train ID too. Sentence5: Okay, the booking was successful. Confirmation code is KNHD4Q79 . Sentence6: I need a place to stay in the north in the moderate price range if you could help me. Sentence7: Yes. Please book it. Sentence8: Acorn Guesthouse offers moderate pricing in the North. Would you like me to book this for you? Sentence9: No, I just need the train ID. Thanks. Sentence10: I am glad to be of service! Bye for now! Sentence11: No that was all I needed. I appreciate your help. Sentence12: Of course, train TR4134 will be leaving Norwich at 9:16, would you like me to book it for you? Question: Who has spoken the sentence 1? (A) User (B) System
Student:
Answer: (B) System