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? If you are still confused, see the following example:
Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Solution: Answer: (A) User
Reason: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

Now, solve this instance: Sentence1: Yes, there will need to be a booking for 7 people for this train and I will need the reference number. Also, I need info on that restaurant. Sentence2: Golden Wok is moderately priced in the north area. Would you like to book a table here? Sentence3: Your train tickets have been booked and the reference number is 5SZK6BNU . The Golden Wok phone number is 01223350688 and is located at 191 Histon Road Chesterton, CB23PP Sentence4: No, that's okay. Thanks for looking! Sentence5: No thank you, that is everything I need. I appreciate it very much. Sentence6: Thank you for letting me help you. Enjoy your dinner. Next time you need reservations we'll be here to help you. Sentence7: The departure is from Cambridge and the destination is London Kings Cross, what was the postcode, phone number and address of the Golden Wok? Sentence8: You're welcome. Are you certain you don't need further assistance? Sentence9: Moderate price range please. Sentence10: Postcode: cb43nl, Address: 191 Histon Road Chesterton, Phone: 01223350688. Can I help you with anything else? Sentence11: Thank you. for your time. Sentence12: I'm sorry, but there are no restaurants that meet your criteria. In fact, there are no basque restaurants in all of cambridge. Would you like to broaden your search? Sentence13: I'm looking for a restaurant in the north that serves basque food, please. Sentence14: TR9876 leaves at 23:00. Would you like me to book it for you? Sentence15: Now hold on just a minute. I'm still hungry. How about a Chinese restaurant instead? Sentence16: No but I am looking for a train fro Friday, leaving after 20:15. Sentence17: Yes, there are 17 Chinese restaurants. Do you have a desired price range? Sentence18: Actually, I think I also want to get the postcode, address, and phone number for the Golden Wok please. Sentence19: Thank you for contacting us. Please ask again if you need more information. Goodbye! Sentence20: OK, There are several trains leaving after 20:15. Where would you like to depart from and where is your destination? Question: Who has spoken the sentence 7? (A) User (B) System
Student:
Answer: (B) System