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 a train leaving that station at 09:32 and arriving at 10:32, if that's acceptable? Sentence2: Yes. It will just me at 17:15 on Friday. Sentence3: There are two restaurants that are Italian, Pizza Hut Cherry Hinton, and Franky and Bennys. The reference number for your train is 0EG8EWWR . Sentence4: I want to take a train to Cambridge on Friday, what's available? Sentence5: Yes, I need the reference number. I am also looking for a place to eat in the south area, preferable italian. Sentence6: No, I need something that gets there by 9:45. Sentence7: I have train TR3005 that arrives at 09:32,would that be good for you? Sentence8: Not really. Please make a recommendation. Sentence9: I'm sorry, both of those restaurants are fully booked for the time requested. May I check another restaurant for you? Sentence10: I found 202 trains. What is your departure station? Sentence11: There is a Pizza Express that is in the Centre area. It is in the moderate category. Would you like me to try to book that? Sentence12: Terrific. I appreciate your help. Good bye! Sentence13: You're welcome! Please let us know if we can assist you in the future. Have a great day! Sentence14: There are many italian restaurants not in the south of town, do you have another area preference? Sentence15: Pick one of those. I need it for the same amount of people at 17:15 on the same day. Sentence16: Okay. Can you find another Italian restaurant? Sentence17: I would like the departure station to be broxbourne. Sentence18: I was able to book it, the reference number is PPXQDNOM . Question: Who has spoken the sentence 17? (A) User (B) System
Student:
Answer: (B) System