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, book a table for 3 at 11:30 on the same day if you can. Sentence2: I need a place to stay. Something moderately priced, with free wifi. Sentence3: Does the Acorn Guest House also offer free parking? Sentence4: Yes please. I need a restaurant in the north, same price range as the hotel, and serves swiss food. Sentence5: The Nirala is a moderately priced indian restaurant in the north. Can I book you any tables? Sentence6: Can we try for one that serves Indian food instead? Sentence7: I like acorn guest house. Need a reservation? Sentence8: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 1GD9Z858 . Sentence9: Booking was successful. Reference number is : PSNFSRQI . anything else i can help you with? Sentence10: yes would you reserve andd book it for me with a confirmation number ? Sentence11: We don't have any such restaurants in the north. Do you want to search for something different? Sentence12: Yes certainly. For how many nights will you be staying and how many people will be staying and when do you wish to arrive? Sentence13: I need it for 3 people and 3 nights starting Sunday. Sentence14: It does have free parking. Would you like to reserve a room? Sentence15: enjoy your stay in Cambridge! Sentence16: Thanks for your help today. Question: Who has spoken the sentence 7? (A) User (B) System
Student:
Answer: (B) System