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 are 5 parks to visit, would you prefer one in the north, south, east, or in town centre? Sentence2: You're welcome. Goodbye. Sentence3: I'm sorry, there are no Romanian restaurants in the centre. Care to try a different cuisine? Sentence4: Nope, that's all I need. Thanks a bunch! Sentence5: Could I please have the postcode and area to Milton County Park? Sentence6: The contact number for the taxi is 07629467335. Would you like help with anything else? Sentence7: Yes, I would like their contact number please. Sentence8: Milton County Park in the north is free and my humble suggestion. Sentence9: The postcode is cb46az and the area is north. Sentence10: I just need to be leaving the restaurant by 06:15. Sentence11: Are there any restaurants that serve Romanian food in the centre of town? Sentence12: There are 5 restaurants that serve indian food in the centre. Any specific price range? Sentence13: Please I want to book an expensive restaurant. First however help me find a place to go in town. Is there a nice park? Sentence14: Yes, do you have a time in mind? Sentence15: Any of the restaurants is fine. But, can I get a postcode and price range for the one you choose please. Sentence16: I have successfully booked you a White Audi. Would you like their contact number? Sentence17: The Golden Curry is expensive and delicious. The postcode is cb12az. Would you like me to make a reservation? Sentence18: It doesn't really matter, just whatever you recommend. Sentence19: No, thank you. But can you book a taxi from the restaurant to the park? Sentence20: What about Indian food? Question: Who has spoken the sentence 10? (A) User (B) System
Student:
Answer: (A) User