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: Thanks for all of your help, you've been great! Sentence2: I'm so sorry but the only expensive Portuguese restaurants in Cambridge are in the south or the north. Can I interest you in one of those? Sentence3: Booked. The table will be reserved for 15 minutes. Reference number: 5I58PIAF . Sentence4: There are nine Indian restaurants located in the centre. Do you prefer the cheap or expensive price range? Sentence5: Lovely, I would like to book it for 3 people for 3 nights starting Wednesday please. Sentence6: I'd still prefer to keep it in the expensive price range if possible Sentence7: Yes, that is correct, I also need a reference number. Sentence8: No, I would like it to be in the centre. Are there any Indian Restaurants? Sentence9: I'm looking for a hotel called kirkwood house Sentence10: I need a ride to and from too please. I'll need the car type and contact number too please. Sentence11: It's my pleasure! Have a wonderful time! Sentence12: Good day! The kirkwood house is a guesthouse type hotel in the northern area located at 172 Chesterton Road and can be reached at the telephone number 01223306283. Sentence13: I have you booked, it is a red skoda, and their contact number is 07654958817 any other questions? Sentence14: No. I am interested in a booking for the same number of people on the same day at 16:00. Three people on Wednesday. Sentence15: I am looking for an expensive Portuguese restaurant. Sentence16: I just need to verify you want reservations for Curry Garden on Wednesday at 16:00 for 3. Is this correct? Sentence17: The Curry Garden is an restaurant that serves Indian food and is expensive. Do you need more information? Sentence18: Your booking was successful. The reference number is : HOGURFVC . Is there anything I can do to assist you? Question: Who has spoken the sentence 9? (A) User (B) System
Student:
Answer: (B) System