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 would recommend Pipasha Restaurant. Sentence2: You're welcome, have a great day! Sentence3: Yes please and I need a confirmation number Sentence4: Thank you goodbye Sentence5: There is a train departing Cambridge for Norwich at 14:36 on Tuesday. Would you like me to book this? Sentence6: I would like to dine at a restaurant serving Indian food on the east side of town. Any suggestions? Sentence7: Okay there are four different restaurants. What is your price range? Sentence8: I also need to travel by train to Norwich, some time on Tuesday after 14:30. Sentence9: It has been booked! Reference number is BSJKVN2Y . Do you need anything else? Sentence10: Great, can you book me for 5 people at 11:45 on tuesday? Sentence11: Booking was successful. The table will be reserved for 15 minutes. Reference number is : MLAA1D4V . anything else i can help you with today? Sentence12: Price does not matter. Question: Who has spoken the sentence 6? (A) User (B) System
Student:
Answer: (A) User