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: I have booked your ticket, the reference number is : ECTZFFR5 . Is there anything else I can do for you. Sentence2: I can assist you with that. Where are you travelling to and from? Sentence3: I'm going from Cambridge to the Stansted Airport. Sentence4: Not at this time. Thank you so much for everything. Have a great day! Sentence5: I need a train on Friday, arriving by 12:15. Sentence6: That one sounds fine. Can you book it for 3 people? I will need the reference number too. Sentence7: The TR5998 leaves cambridge at 10:40 and arrives stansted airport at 12:08. It's price is 10.10 pounds. There are earlier trains if you wish. Sentence8: You are very welcome, goodbye. Question: Who has spoken the sentence 1? (A) User (B) System
Student:
Answer: (B) System