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: I am sorry I cannot see the reviews. I can give you their phone numbers and you may call them if you like. Sentence2: Nope, that would be it. Thanks for all the help, have a nice day! Sentence3: Booking was successful. The table will be reserved for 15 minutes. Reference number is : K3EBX9QT . The booking is at the Golden Curry. Need anything else? Sentence4: Id like to eat at an expensive Indian place, know any? Sentence5: There are 6 Indian restaurants that fit this. Would you like me to book one for you? Sentence6: There are many to choose from,can I get what area you would like the restaurant to be at to narrow it down? Sentence7: Yes, which of them have the best reviews? Sentence8: Thank you for using Cambridge TownInfo centre. Sentence9: Can you see which ones have availability Sunday at 19:15 for 2 people? Sentence10: How about in the city centre? Question: Who has spoken the sentence 9? (A) User (B) System
Student:
Answer: (B) System