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: 4 people are in my party. Sentence2: Ok, I have booked your reservation at royal standard. Is there anything else I can help you with? Sentence3: I am looking for a train that is arriving by 13:00 and leaving on Monday. Sentence4: how many people will be in your party? Sentence5: The Royal Standard serves gastropub type food. Their address is 290 Mill Road City Centre and their phone is 01223247877. Sentence6: How much does a seat for the TR1213 on Monday cost? Sentence7: Thank you. Sentence8: Have I answered all your questions today? Sentence9: If you could book a reservation for Tuesday at 06:30 pm that would be most appreciated. Sentence10: Thank you for calling. Sentence11: Yes, that sounds great. Sentence12: Yes, I want to leave from Cambridge and I'm going to Broxbourne. Sentence13: Thank you very much for helping me get my reservations in order. Sentence14: Can you tell what kind of food the restaurant serves and their address and phone number. Sentence15: How about the TR1213? It matches your specifications and leaves at 9:01. I can book this train if you'd like. Sentence16: I can help you narrow your search if you give me your departure site and your destination? Sentence17: No, that will be all today. Thank you. Sentence18: You are quite welcome. Enjoy your meal and please let me know if you need assistance with reservations during your visit. Sentence19: 17.90 pounds is good enough. I'll go with that. Sentence20: There are several options with the criteria you provided. Do you have a preference on the type of food? Sentence21: No, please pick one for me and provide the phone number and address. Sentence22: The royal standard is a gastropub. It's located at 290 Mill Road City Centre, phone 01223247877. Would you like to make a reservation? Sentence23: I'll also need a day and time for the reservation. Sentence24: Thank you. I also need recommendations for an expensive restaurant in the east part of town. Question: Who has spoken the sentence 17? (A) User (B) System
Student:
Answer: (B) System